{"id":11484,"date":"2020-11-10T09:01:42","date_gmt":"2020-11-10T09:01:42","guid":{"rendered":"https:\/\/www.northafricatrees.org\/genus\/castanea-miller\/"},"modified":"2021-09-06T16:32:39","modified_gmt":"2021-09-06T16:32:39","slug":"castanea-miller","status":"publish","type":"genus","link":"https:\/\/www.northafricatrees.org\/fr\/genres\/castanea-miller\/","title":{"rendered":"Castanea Miller"},"content":{"rendered":"

Genre repr\u00e9sent\u00e9 par 9 esp\u00e8ces, r\u00e9parties dans les r\u00e9gions temp\u00e9r\u00e9es de l’Holarctique. Dans le N. de l\u2019Afrique par une seule esp\u00e8ce, C. sativa<\/strong><\/a>, arbre dont la spontan\u00e9it\u00e9 dans la r\u00e9gion a \u00e9t\u00e9 questionn\u00e9e, mais qui est assur\u00e9ment autochtone de certains des monts les plus humides du Maroc, de l\u2019Alg\u00e9rie et de la Tunisie.<\/p>\n","protected":false},"template":"","short_name":"Castanea","name_html":"Castanea<\/strong> Mill.","short_description":"","references":"Camus, A.A. 1929. Les Ch\u00e2taigniers,<\/em> monographie des genres <\/em>Castanea et <\/em>Castanopsis. Par\u00eds. 1 Vol. de texte et 1 Vol. d'Atlas.\r\n\r\nKrebs P, Conedera M, Pradella M, Torrani D, Felber M, Tinner W. 2004. Quaternary refugia of the sweet chesnut (Castanea sativa Mill.): an extended palynological approach<\/em>. Vegetation History and Archaeobotany 13, 145-160.","custom_author":"G. Ben\u00edtez, J. Molero Mesa & J. Charco.","family":[{"name_html":"FAGACEAE <\/strong>Dum.","short_name":"FAGACEAE","short_description":"","references":"","custom_author":"G. Ben\u00edtez, J. Molero Mesa & J. Charco.","genuses":{"11484":{"short_name":"Castanea","name_html":"Castanea<\/strong> Mill.","short_description":"","references":"Camus, A.A. 1929. Les Ch\u00e2taigniers,<\/em> monographie des genres <\/em>Castanea et <\/em>Castanopsis. Par\u00eds. 1 Vol. de texte et 1 Vol. d'Atlas.\r\n\r\nKrebs P, Conedera M, Pradella M, Torrani D, Felber M, Tinner W. 2004. Quaternary refugia of the sweet chesnut (Castanea sativa Mill.): an extended palynological approach<\/em>. Vegetation History and Archaeobotany 13, 145-160.","custom_author":"G. Ben\u00edtez, J. Molero Mesa & J. Charco.","family":{"ID":"10856","post_author":"1","post_date":"2020-11-10 08:58:16","post_date_gmt":"2020-11-10 08:58:16","post_content":"

Famille compos\u00e9e de 9 genres et environ 1100 esp\u00e8ces d\u2019arbres et arbustes, essentiellement r\u00e9parties dans les r\u00e9gions temp\u00e9r\u00e9es et tropicales de l\u2019h\u00e9misph\u00e8re nord. Dans le N. de l\u2019Afrique, elle est repr\u00e9sent\u00e9e par deux genres pr\u00e9sentant une grande valeur \u00e9cologique et \u00e9conomique, les for\u00eats form\u00e9es par certaines de ses esp\u00e8ces jouant un r\u00f4le vital dans la cr\u00e9ation et la r\u00e9tention des sols et de l\u2019humidit\u00e9, facteurs cl\u00e9s dans la lutte contre l\u2019\u00e9rosion et la d\u00e9sertification qui affectent tant cette r\u00e9gion. <\/p>","post_title":"FAGACEAE Dum.","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"fagaceae-dum-3","to_ping":"","pinged":"","post_modified":"2020-11-10 08:58:16","post_modified_gmt":"2020-11-10 08:58:16","post_content_filtered":"","post_parent":"0","guid":"https:\/\/www.northafricatrees.org\/family\/fagaceae-dum-3\/","menu_order":"0","post_type":"family","post_mime_type":"","comment_count":"0","translation_id":"169","element_type":"post_family","element_id":"10856","trid":"113966","language_code":"fr","source_language_code":"es","id":"4","code":"fr","english_name":"French","major":"1","active":"1","default_locale":"fr_FR","tag":"fr","encode_url":"0","pod_item_id":"10856"},"species":false,"groups_keys":false,"title_groups_keys":false,"groups_keys_2":false,"title_groups_keys_2":false,"groups_keys_3":false,"title_groups_keys_3":false,"images":false,"ID":11484,"post_title":"Castanea Miller","post_content":"Genre repr\u00e9sent\u00e9 par 9 esp\u00e8ces, r\u00e9parties dans les r\u00e9gions temp\u00e9r\u00e9es de l'Holarctique. Dans le N. de l\u2019Afrique par une seule esp\u00e8ce, C. sativa<\/strong><\/a>, arbre dont la spontan\u00e9it\u00e9 dans la r\u00e9gion a \u00e9t\u00e9 questionn\u00e9e, mais qui est assur\u00e9ment autochtone de certains des monts les plus humides du Maroc, de l\u2019Alg\u00e9rie et de la Tunisie.","post_excerpt":"","post_author":"1","post_date":"2020-11-10 09:01:42","post_date_gmt":"2020-11-10 09:01:42","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"castanea-miller","to_ping":"","pinged":"","post_modified":"2021-09-06 16:32:39","post_modified_gmt":"2021-09-06 16:32:39","post_content_filtered":"","post_parent":0,"guid":"https:\/\/www.northafricatrees.org\/genus\/castanea-miller\/","menu_order":0,"post_type":"genus","post_mime_type":"","comment_count":"0","comments":false,"id":11484},"11481":{"short_name":"Quercus","name_html":"Quercus<\/strong> L.","short_description":"","references":"Camus, A. 1935-39. Les Ch\u00eanes. Monographie du genre <\/em>Quercus. 2 Vol. de texte et 2 Vol. d'Atlas. Par\u00eds.\r\n\r\nDahmani, M. 1997. Le ch\u00eane vert en Alg\u00e9rie, syntaxonomie, phytoecologie et dynamique des peuplements<\/em>. PhD Thesis. University of Science and Technology, Algiers, 383 p.\r\n\r\nGalan de Mera et al<\/em>., 2011, Quercus<\/em>, in Blanca et al<\/em>., Flora Vascular de Andaluc\u00eda Oriental.\r\n\r\nLe Floc\u00b4h, E., Boulos, L., V\u00e9la, E. & Ghrabi-Gammar, Z.; Daouod-Bouattour, A., Ben Saad-Liman, S., Martin, R.D., Muller, S., Reduron, J.P., & Tison, J.M. (col.) 2010.- Catalogue synonymique comment\u00e9 de la Flore de Tunisie. <\/em>R\u00e9publique tunisienne; Minist\u00e8re de l\u00b4Environnement et du D\u00e9veloppement Durable, Banque Nationale de G\u00e8nes (Eds.). 504 p. Tunis, \u00e9dition 2.\r\n\r\nSchwarz, O. 1936-37. Monographie der Eichen Europas und des Mittelmeergebietes<\/em>, in Repert. spec. nov. Regni veget., Sonderbehieft D: 1-400. Berl\u00edn.\r\n\r\nZine el Abidine A. & Fennane, M. 1995. Essai de taxonomie num\u00e9rique sur le ch\u00eane z\u00e8ne (Quercus faginea<\/em> Lam.) au Maroc. Lagascalia<\/em> 18(1): 39-54.","custom_author":"G. Ben\u00edtez, J. Molero Mesa & J. Charco.","family":{"ID":"10856","post_author":"1","post_date":"2020-11-10 08:58:16","post_date_gmt":"2020-11-10 08:58:16","post_content":"

Famille compos\u00e9e de 9 genres et environ 1100 esp\u00e8ces d\u2019arbres et arbustes, essentiellement r\u00e9parties dans les r\u00e9gions temp\u00e9r\u00e9es et tropicales de l\u2019h\u00e9misph\u00e8re nord. Dans le N. de l\u2019Afrique, elle est repr\u00e9sent\u00e9e par deux genres pr\u00e9sentant une grande valeur \u00e9cologique et \u00e9conomique, les for\u00eats form\u00e9es par certaines de ses esp\u00e8ces jouant un r\u00f4le vital dans la cr\u00e9ation et la r\u00e9tention des sols et de l\u2019humidit\u00e9, facteurs cl\u00e9s dans la lutte contre l\u2019\u00e9rosion et la d\u00e9sertification qui affectent tant cette r\u00e9gion. <\/p>","post_title":"FAGACEAE Dum.","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"fagaceae-dum-3","to_ping":"","pinged":"","post_modified":"2020-11-10 08:58:16","post_modified_gmt":"2020-11-10 08:58:16","post_content_filtered":"","post_parent":"0","guid":"https:\/\/www.northafricatrees.org\/family\/fagaceae-dum-3\/","menu_order":"0","post_type":"family","post_mime_type":"","comment_count":"0","translation_id":"169","element_type":"post_family","element_id":"10856","trid":"113966","language_code":"fr","source_language_code":"es","id":"4","code":"fr","english_name":"French","major":"1","active":"1","default_locale":"fr_FR","tag":"fr","encode_url":"0","pod_item_id":"10856"},"species":[{"ID":"12638","post_author":"1","post_date":"2020-11-10 10:08:07","post_date_gmt":"2020-11-10 10:08:07","post_content":"Arbre caducifoli\u00e9, mono\u00efque, de jusqu\u2019\u00e0 25(30) m de haut, d\u2019aspect pyramidal et \u00e0 tronc pouvant atteindre 1 m de diam\u00e8tre, \u00e0 \u00e9corce brun-rouge\u00e2tre et fendill\u00e9e longitudinalement. Rameaux g\u00e9n\u00e9ralement d\u2019abord \u00e9tal\u00e9s, puis dress\u00e9s. Ramilles brun-noir\u00e2tre, les plus jeunes tomenteuses. Feuilles (5-19 \u00d7 1,4-9 cm) alternes, caduques, plus ou moins ovales-lanc\u00e9ol\u00e9es, \u00e0 bord serr\u00e9, rappelant les feuilles du ch\u00e2taignier, peu ou pas coriaces, vert fonc\u00e9 et brillantes sur l\u2019endroit et finement tomenteuses-blanch\u00e2tres sur l\u2019envers, \u00e0 p\u00e9tiole tomenteux de 0,5-2 cm. Fleurs m\u00e2les en chatons nombreux, orang\u00e9s et pendants, de 5-7 cm. Inflorescences femelles en \u00e9pis courts, dress\u00e9s, \u00e0 7-9 fleurs. Le fruit (gland) est un ak\u00e8ne ovo\u00efde naissant en groupes de 2-5 sur un p\u00e9doncule plus \u00e9pais que les ramilles adjacentes, \u00e0 enveloppe ch\u00e2tain-rouge\u00e2tre et cupule couverte d'\u00e9cailles ovales ou oblongues, tomenteuses, tr\u00e8s allong\u00e9es (jusqu'\u00e0 12 mm), imbriqu\u00e9es, les inf\u00e9rieures opprim\u00e9es, et les restantes plus ou moins dress\u00e9es, d\u00e9passant largement le bord de la cupule.","post_title":"Quercus afares Pomel","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"quercus-afares-pomel-3","to_ping":"","pinged":"","post_modified":"2021-10-22 09:20:00","post_modified_gmt":"2021-10-22 09:20:00","post_content_filtered":"","post_parent":"0","guid":"https:\/\/www.northafricatrees.org\/species\/quercus-afares-pomel-3\/","menu_order":"0","post_type":"species","post_mime_type":"","comment_count":"0","translation_id":"4752","element_type":"post_species","element_id":"12638","trid":"114548","language_code":"fr","source_language_code":"es","id":"4","code":"fr","english_name":"French","major":"1","active":"1","default_locale":"fr_FR","tag":"fr","encode_url":"0","pod_item_id":"12638"},{"ID":"12644","post_author":"1","post_date":"2020-11-10 10:08:08","post_date_gmt":"2020-11-10 10:08:08","post_content":"Arbre marcescent, mono\u00efque, de jusqu\u2019\u00e0 30 m de haut, \u00e0 port longuement ov\u00e9 ou plus ou moins arrondi, r\u00e9gulier. Tronc plus ou moins droit, de jusqu\u2019\u00e0 1,5 m de diam\u00e8tre, \u00e0 \u00e9corce brun-gris\u00e2tre, profond\u00e9ment fendill\u00e9e longitudinalement et transversalement chez les exemplaires les plus \u00e2g\u00e9s. Rameaux \u00e9tal\u00e9s-dress\u00e9s. Ramilles jeunes brunes, couvertes de poils feutr\u00e9s qui disparaissent par la suite, devenant glabrescentes. Feuilles (5-20 \u00d7 2,5-11 cm) alternes, marcescentes, peu coriaces, ov\u00e9es, elliptiques ou obov\u00e9es-elliptiques, \u00e0 dents larges subaigu\u00ebs sur le bord, tomenteuses sur les deux faces de jeunesse, \u00e0 indument dense compos\u00e9 de poils \u00e9toil\u00e9s qui se d\u00e9tachent enchev\u00eatr\u00e9s ; les feuilles adultes sont d\u2019un vert plus ou moins fonc\u00e9 sur l\u2019endroit, glabrescentes, plus claires et glauques sur l\u2019envers, qui est enti\u00e8rement glabre \u00e0 exception de quelques poils qui subsistent pr\u00e8s des nervures principales. P\u00e9tiole de 8-30 mm, glabrescent. Fleurs m\u00e2les nombreuses en chatons, jaune-verd\u00e2tre et pendants, de 4-8 cm. Les fleurs femelles naissent solitaires en \u00e9pis courts, dress\u00e9s. Le fruit (gland) est un ak\u00e8ne largement ovo\u00efde de 2-3 \u00d7 1,2-1,8 cm, \u00e0 enveloppe ch\u00e2tain-jaun\u00e2tre et cupule \u00e0 \u00e9cailles ov\u00e9es-triangulaires, tomenteuses, imbriqu\u00e9es : les inf\u00e9rieures appliqu\u00e9es et l\u00e9g\u00e8rement gibbeuses, et les sup\u00e9rieures \u00e0 extr\u00e9mit\u00e9s plus ou moins libres.","post_title":"Quercus canariensis Willd.","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"quercus-canariensis-willd-3","to_ping":"","pinged":"","post_modified":"2021-10-22 08:52:56","post_modified_gmt":"2021-10-22 08:52:56","post_content_filtered":"","post_parent":"0","guid":"https:\/\/www.northafricatrees.org\/species\/quercus-canariensis-willd-3\/","menu_order":"0","post_type":"species","post_mime_type":"","comment_count":"0","translation_id":"4758","element_type":"post_species","element_id":"12644","trid":"114550","language_code":"fr","source_language_code":"es","id":"4","code":"fr","english_name":"French","major":"1","active":"1","default_locale":"fr_FR","tag":"fr","encode_url":"0","pod_item_id":"12644"},{"ID":"12629","post_author":"1","post_date":"2020-11-10 10:08:06","post_date_gmt":"2020-11-10 10:08:06","post_content":"Arbre ou arbuste \u00e0 feuilles persistantes, mono\u00efque. Fr\u00e9quemment \u00e0 port arbustif et tr\u00e8s ramifi\u00e9 depuis la base, enchev\u00eatr\u00e9, pouvant atteindre un port arborescent de jusqu\u2019\u00e0 20 m de haut. Tronc \u00e0 \u00e9corce cendr\u00e9e et lisse, brun-noir\u00e2tre et l\u00e9g\u00e8rement fendill\u00e9e chez les exemplaires arborescents \u00e2g\u00e9s. Le port arborescent est similaire \u00e0 celui du ch\u00eane vert, avec lequel il a parfois \u00e9t\u00e9 confondu. Feuilles [1,5-6(13) \u00d7 0,8-3,5(7) cm] alternes, p\u00e9rennes, coriaces, oblongues \u00e0 elliptiques ou obov\u00e9es, dent\u00e9es-spinescentes g\u00e9n\u00e9ralement, mais non piquantes voire sans dents et \u00e0 bord entier en conditions de sol, ombre et humidit\u00e9 satisfaisantes, de couleur vert vif, brillantes, plus ou moins similaire sur les deux faces, presque concolores et, une fois adultes, glabres ou l\u00e9g\u00e8rement glabrescentes \u00e0 pubescence sur l\u2019envers. Fleurs m\u00e2les minuscules, dispos\u00e9es en chatons de c<\/em>. 5 cm de long, jaunes. Fleurs femelles qui naissent solitaires ou group\u00e9es par 2-3 \u00e0 l\u2019aisselle des feuilles. Le fruit (gland) est un ak\u00e8ne ovo\u00efde-allong\u00e9, contenu dans une enveloppe ch\u00e2tain fonc\u00e9, entour\u00e9 \u00e0 la base d\u2019une cupule couverte de minuscules \u00e9cailles imbriqu\u00e9es, ov\u00e9es-lanc\u00e9ol\u00e9es, appliqu\u00e9es \u00e0 la base et saillantes, rigides, piquantes dans la partie m\u00e9diane et sup\u00e9rieure.","post_title":"Quercus coccifera L.","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"quercus-coccifera-l-3","to_ping":"","pinged":"","post_modified":"2021-10-22 09:57:46","post_modified_gmt":"2021-10-22 09:57:46","post_content_filtered":"","post_parent":"0","guid":"https:\/\/www.northafricatrees.org\/species\/quercus-coccifera-l-3\/","menu_order":"0","post_type":"species","post_mime_type":"","comment_count":"0","translation_id":"4743","element_type":"post_species","element_id":"12629","trid":"114545","language_code":"fr","source_language_code":"es","id":"4","code":"fr","english_name":"French","major":"1","active":"1","default_locale":"fr_FR","tag":"fr","encode_url":"0","pod_item_id":"12629"},{"ID":"12647","post_author":"1","post_date":"2020-11-10 10:08:08","post_date_gmt":"2020-11-10 10:08:08","post_content":"Arbre marcescent, mono\u00efque, atteignant 20-30 m de haut, \u00e0 houppier ov\u00e9-allong\u00e9 ou arrondi et tronc plus ou moins droit, de jusqu\u2019\u00e0 2 m de diam\u00e8tre, \u00e0 \u00e9corce brun-gris\u00e2tre et fendill\u00e9e longitudinalement chez les exemplaires \u00e2g\u00e9s. Rameaux \u00e9tal\u00e9s-dress\u00e9s. Ramilles dens\u00e9ment couvertes de poils \u00e9toil\u00e9s la premi\u00e8re ann\u00e9e, puis plus ou moins glabrescentes. Feuilles de taille et pilosit\u00e9 tr\u00e8s variables [(2)3-11(15) \u00d7 1,2-6(9) cm], alternes, l\u00e9g\u00e8rement coriaces, oblongues \u00e0 obov\u00e9es, \u00e0 bord festonn\u00e9, plus ou moins ondul\u00e9, sinu\u00e9es-dent\u00e9es ou lobul\u00e9es. Jeunes, elles sont couvertes sur les deux faces de poils \u00e9toil\u00e9s, puis deviennent vertes et glabrescentes sur l\u2019endroit et vert p\u00e2le \u00e0 tomentum blanch\u00e2tre de poils \u00e9toil\u00e9s sur l\u2019envers. P\u00e9tiole tomenteux ou glabrescent (5-20 mm). Fleurs m\u00e2les en chatons jaun\u00e2tres et pendants, de 2-7,5 cm. Fleurs femelles g\u00e9n\u00e9ralement group\u00e9es en \u00e9pis courts (2-4 cm). Le fruit (gland) est un ak\u00e8ne ovo\u00efde de 1,5-3,5 \u00d7 1-2 cm, \u00e0 enveloppe ch\u00e2tain-jaun\u00e2tre et cupule couverte d\u2019\u00e9cailles ov\u00e9es-triangulaires, imbriqu\u00e9es, plus ou moins tomenteuses et appliqu\u00e9es, les inf\u00e9rieures un peu gibbeuses.","post_title":"Quercus faginea Lam.","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"quercus-faginea-lam-3","to_ping":"","pinged":"","post_modified":"2026-04-12 09:35:41","post_modified_gmt":"2026-04-12 09:35:41","post_content_filtered":"","post_parent":"0","guid":"https:\/\/www.northafricatrees.org\/species\/quercus-faginea-lam-3\/","menu_order":"0","post_type":"species","post_mime_type":"","comment_count":"0","translation_id":"4761","element_type":"post_species","element_id":"12647","trid":"114551","language_code":"fr","source_language_code":"es","id":"4","code":"fr","english_name":"French","major":"1","active":"1","default_locale":"fr_FR","tag":"fr","encode_url":"0","pod_item_id":"12647"},{"ID":"12650","post_author":"1","post_date":"2020-11-10 10:08:08","post_date_gmt":"2020-11-10 10:08:08","post_content":"Arbuste marcescent, mono\u00efque, pouvant atteindre 3 m de haut, mais qui ne d\u00e9passent que rarement 1 m. Tr\u00e8s rameux depuis la base, \u00e0 \u00e9corce plus ou moins lisse cendr\u00e9-blanch\u00e2tre. Ramilles ch\u00e2tain-jaun\u00e2tre, g\u00e9n\u00e9ralement couvertes d\u2019un tomentum longtemps persistant, puis glabrescentes. Feuilles [2,5-6(12) \u00d7 1,2-3,5(5) cm] alternes, marcescentes, coriaces, elliptiques ou ov\u00e9es-elliptiques, \u00e0 bord entier plus ou moins dans la partie basale, et sinu\u00e9-dent\u00e9 ou lobul\u00e9 depuis environ la partie m\u00e9diane jusqu\u2019au sommet. Feuilles jeunes tomenteuses sur les deux faces, puis, adultes, d\u2019un vert plus ou moins fonc\u00e9, lustreuses et glabres sur l'endroit et plus ou moins cendr\u00e9es-tomenteuses sur l'envers. P\u00e9tiole tomenteux (1-5 mm). Fleurs m\u00e2les tr\u00e8s nombreuses, en chatons verd\u00e2tre-jaun\u00e2tre et pendants, de 3-5 cm. Fleurs femelles group\u00e9es par 2-5 en \u00e9pis dress\u00e9s. Le fruit (gland) est un ak\u00e8ne ovo\u00efde de 10-16\u00d7 8-12 mm ch\u00e2tain \u00e0 cupule compos\u00e9e d\u2019\u00e9cailles ov\u00e9es-triangulaires, imbriqu\u00e9es, plus ou moins appliqu\u00e9es, tomenteuses, les inf\u00e9rieures plus ou moins gibbeuses.","post_title":"Quercus lusitanica Lam.","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"quercus-lusitanica-lam-3","to_ping":"","pinged":"","post_modified":"2021-10-22 09:11:17","post_modified_gmt":"2021-10-22 09:11:17","post_content_filtered":"","post_parent":"0","guid":"https:\/\/www.northafricatrees.org\/species\/quercus-lusitanica-lam-3\/","menu_order":"0","post_type":"species","post_mime_type":"","comment_count":"0","translation_id":"4764","element_type":"post_species","element_id":"12650","trid":"114552","language_code":"fr","source_language_code":"es","id":"4","code":"fr","english_name":"French","major":"1","active":"1","default_locale":"fr_FR","tag":"fr","encode_url":"0","pod_item_id":"12650"},{"ID":"12641","post_author":"1","post_date":"2020-11-10 10:08:07","post_date_gmt":"2020-11-10 10:08:07","post_content":"Arbre caducifoli\u00e9, mono\u00efque, pouvant atteindre 25 m de haut, d\u2019aspect irr\u00e9gulier, \u00e0 tronc plus ou moins droit de jusqu'\u00e0 1,5 m de diam\u00e8tre. \u00c9corce cendr\u00e9e ou brun-gris\u00e2tre, fendill\u00e9e longitudinalement. Ramilles dens\u00e9ment tomenteuses. Feuilles (6-20 \u00d7 4-12 cm) alternes, ov\u00e9es ou obov\u00e9es, profond\u00e9ment lobul\u00e9es, pennatifides ou pennatipartites, peu ou pas coriaces, velout\u00e9es-blanch\u00e2tres, \u00e0 poils \u00e9toil\u00e9s sur les deux faces de jeunesse \u2013puis vert mat\u2013, glabrescentes sur l\u2019endroit et dens\u00e9ment tomenteuses sur l\u2019envers, \u00e0 p\u00e9tiole tomenteux \u00e0 glabrescent de c<\/em>. 5-25 mm. Fleurs m\u00e2les nombreuses en chatons jaunes et pendants, de 3-10 cm. Inflorescences femelles group\u00e9es en \u00e9pis courts, dress\u00e9s, \u00e0 2-8 fleurs. Le fruit (gland) est un ak\u00e8ne ovo\u00efde-allong\u00e9 (1,5-4,5 \u00d7 1,2-2,5 cm), \u00e0 enveloppe ch\u00e2tain. Cupule \u00e0 \u00e9caille imbriqu\u00e9es, villeuses, les inf\u00e9rieures ov\u00e9es et appliqu\u00e9es, les sup\u00e9rieures lin\u00e9aires-triangulaires et plus ou moins libres.","post_title":"Quercus pyrenaica Willd.","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"quercus-pyrenaica-willd-3","to_ping":"","pinged":"","post_modified":"2026-04-15 09:18:44","post_modified_gmt":"2026-04-15 09:18:44","post_content_filtered":"","post_parent":"0","guid":"https:\/\/www.northafricatrees.org\/species\/quercus-pyrenaica-willd-3\/","menu_order":"0","post_type":"species","post_mime_type":"","comment_count":"0","translation_id":"4755","element_type":"post_species","element_id":"12641","trid":"114549","language_code":"fr","source_language_code":"es","id":"4","code":"fr","english_name":"French","major":"1","active":"1","default_locale":"fr_FR","tag":"fr","encode_url":"0","pod_item_id":"12641"},{"ID":"12632","post_author":"1","post_date":"2020-11-10 10:08:06","post_date_gmt":"2020-11-10 10:08:06","post_content":"Arbre \u00e0 feuilles persistantes, mono\u00efque, robuste, pouvant atteindre 25 m de haut voire plus, mais qui ne d\u00e9passe g\u00e9n\u00e9ralement pas 20 m, \u00e0 port ovo\u00efde ou arrondi. Tronc droit ou tortueux de jusqu\u2019\u00e0 2 m de diam\u00e8tre, \u00e0 \u00e9corce dure, brun-cendr\u00e9, fissur\u00e9e. Rameaux dress\u00e9s dans les for\u00eats denses, \u00e9tal\u00e9s et horizontaux dans les zones clairsem\u00e9es. Ramilles dens\u00e9ment blanch\u00e2tres-tomenteuses. Feuilles [2-8(12) \u00d7 1-4(6) cm)], alternes, p\u00e9rennes, de formes et bords variables \u2013habituellement orbiculaires \u00e0 oblongues-lanc\u00e9ol\u00e9es, \u00e0 bord plus ou moins dent\u00e9, parfois entier\u2013, coriaces, de couleur vert fonc\u00e9 plus ou moins brillant sur l\u2019endroit et blanch\u00e2tres-tomenteuses sur l\u2019envers, \u00e0 p\u00e9tiole tomenteux de 1-10 mm. Fleurs m\u00e2les en chatons tr\u00e8s nombreux, jaunes et pendants, de 2,5-8 cm. Fleurs femelles solitaires ou group\u00e9es par 2-7, dress\u00e9es \u00e0 l\u2019aisselle des feuilles. Le fruit (gland) est un ak\u00e8ne ovo\u00efde de 15-35(40) \u00d7 8-18 mm \u00e0 enveloppe ch\u00e2tain-noir\u00e2tre et cupule \u00e0 \u00e9cailles ov\u00e9es ou ov\u00e9es-oblongues, imbriqu\u00e9es et plus ou moins appliqu\u00e9es.","post_title":"Quercus rotundifolia Lam.","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"quercus-rotundifolia-lam-3","to_ping":"","pinged":"","post_modified":"2021-10-22 10:01:30","post_modified_gmt":"2021-10-22 10:01:30","post_content_filtered":"","post_parent":"0","guid":"https:\/\/www.northafricatrees.org\/species\/quercus-rotundifolia-lam-3\/","menu_order":"0","post_type":"species","post_mime_type":"","comment_count":"0","translation_id":"4746","element_type":"post_species","element_id":"12632","trid":"114546","language_code":"fr","source_language_code":"es","id":"4","code":"fr","english_name":"French","major":"1","active":"1","default_locale":"fr_FR","tag":"fr","encode_url":"0","pod_item_id":"12632"},{"ID":"12635","post_author":"1","post_date":"2020-11-10 10:08:07","post_date_gmt":"2020-11-10 10:08:07","post_content":"Arbre \u00e0 feuilles persistantes, mono\u00efque, atteignant 20(25) m de haut, d\u2019aspect ovo\u00efde-arrondi. Tronc droit ou l\u00e9g\u00e8rement tortueux en terrains rocheux. \u00c9corce sub\u00e9reuse tr\u00e8s \u00e9paisse (jusqu\u2019\u00e0 25 cm), \u00e0 fissures longitudinales profondes, ce qui la rend ais\u00e9ment diff\u00e9renciable de celle de Q. rotundifolia<\/em>. Cette \u00e9corce, ou li\u00e8ge, est exploit\u00e9e par l\u2019homme, qui l\u2019extrait tous les 8-12 ans, donnant \u00e0 l\u2019arbre un aspect incomparable : rameaux couverts d'une \u00e9corce \u00e9paisse et troncs d\u00e9nud\u00e9s et rouge\u00e2tres, qui deviennent brun-noir\u00e2tre \u00e0 gris\u00e2tres au fur et \u00e0 mesure que la nouvelle \u00e9corce se d\u00e9veloppe. Rameaux tortueux, dress\u00e9s ou \u00e9tal\u00e9s. Ramilles blanch\u00e2tres-tomenteuses. Feuilles [2,5-7(10) \u00d7 1,2-4,5(6,5) cm] alternes, p\u00e9rennes, ov\u00e9es \u00e0 ov\u00e9es-lanc\u00e9ol\u00e9es ou oblongues, coriaces, g\u00e9n\u00e9ralement \u00e0 quelques dents peu remarquables, parfois enti\u00e8res, vert fonc\u00e9 et brillantes sur l\u2019endroit et tomenteuses-blanch\u00e2tres sur l\u2019envers, \u00e0 p\u00e9tiole tomenteux de 6-20 mm. Fleurs m\u00e2les en chatons nombreux, jaunes et pendants, de 4-8 cm. Fleurs femelles solitaires ou group\u00e9es par 2-5 \u00e0 l\u2019aisselle d\u2019une bract\u00e9e lin\u00e9aire. Le gland est ovo\u00efde (20-45 \u00d7 10-18 mm), \u00e0 enveloppe ch\u00e2tain-noir\u00e2tre et cupule \u00e0 \u00e9cailles inf\u00e9rieures courtes, ov\u00e9es-triangulaires, imbriqu\u00e9es et plus ou moins appliqu\u00e9es, les sup\u00e9rieures plus longues, \u00e0 pointe recourb\u00e9e non appliqu\u00e9e.","post_title":"Quercus suber L.","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"quercus-suber-l-3","to_ping":"","pinged":"","post_modified":"2021-10-22 09:15:55","post_modified_gmt":"2021-10-22 09:15:55","post_content_filtered":"","post_parent":"0","guid":"https:\/\/www.northafricatrees.org\/species\/quercus-suber-l-3\/","menu_order":"0","post_type":"species","post_mime_type":"","comment_count":"0","translation_id":"4749","element_type":"post_species","element_id":"12635","trid":"114547","language_code":"fr","source_language_code":"es","id":"4","code":"fr","english_name":"French","major":"1","active":"1","default_locale":"fr_FR","tag":"fr","encode_url":"0","pod_item_id":"12635"}],"groups_keys":[{"ID":"23757","post_author":"1","post_date":"2021-01-07 10:49:27","post_date_gmt":"2021-01-07 10:49:27","post_content":"","post_title":"Arbres et arbustes \u00e0 feuilles persistantes","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"arbres-et-arbustes-a-feuilles-persistantes","to_ping":"","pinged":"","post_modified":"2021-01-07 10:49:27","post_modified_gmt":"2021-01-07 10:49:27","post_content_filtered":"","post_parent":"0","guid":"https:\/\/www.northafricatrees.org\/genus-group-key\/arbres-et-arbustes-a-feuilles-persistantes\/","menu_order":"0","post_type":"genus_group_key","post_mime_type":"","comment_count":"0","translation_id":"2560","element_type":"post_genus_group_key","element_id":"23757","trid":"117135","language_code":"fr","source_language_code":"es","id":"4","code":"fr","english_name":"French","major":"1","active":"1","default_locale":"fr_FR","tag":"fr","encode_url":"0","pod_item_id":"23757"},{"ID":"23760","post_author":"1","post_date":"2021-01-07 10:49:28","post_date_gmt":"2021-01-07 10:49:28","post_content":"","post_title":"Arbres caducifoli\u00e9s ou marcescents","post_excerpt":"","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"arbres-caducifolies-ou-marcescents","to_ping":"","pinged":"","post_modified":"2021-01-07 10:49:28","post_modified_gmt":"2021-01-07 10:49:28","post_content_filtered":"","post_parent":"0","guid":"https:\/\/www.northafricatrees.org\/genus-group-key\/arbres-caducifolies-ou-marcescents\/","menu_order":"0","post_type":"genus_group_key","post_mime_type":"","comment_count":"0","translation_id":"2563","element_type":"post_genus_group_key","element_id":"23760","trid":"117136","language_code":"fr","source_language_code":"es","id":"4","code":"fr","english_name":"French","major":"1","active":"1","default_locale":"fr_FR","tag":"fr","encode_url":"0","pod_item_id":"23760"},{"ID":"23763","post_author":"1","post_date":"2021-01-07 10:49:28","post_date_gmt":"2021-01-07 10:49:28","post_content":"","post_title":"Feuilles adultes de couleur vert fonc\u00e9 et glabres sur l\u2019endroit, dens\u00e9ment tomenteuses \tet plus claires (voire blanch\u00e2tres) sur l\u2019envers. 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Genre comprenant environ 600 esp\u00e8ces, principalement de l'h\u00e9misph\u00e8re nord avec quelques esp\u00e8ces du sud de l'Am\u00e9rique et du sud-est asiatique. Dans le nord de l'Afrique 8 esp\u00e8ces, r\u00e9parties, bien que de mani\u00e8re in\u00e9gale, dans toute la zone m\u00e9diterran\u00e9enne. <\/p>","post_excerpt":"","post_author":"1","post_date":"2020-11-10 09:01:42","post_date_gmt":"2020-11-10 09:01:42","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"quercus-l","to_ping":"","pinged":"","post_modified":"2020-11-10 09:01:42","post_modified_gmt":"2020-11-10 09:01:42","post_content_filtered":"","post_parent":0,"guid":"https:\/\/www.northafricatrees.org\/genus\/quercus-l\/","menu_order":0,"post_type":"genus","post_mime_type":"","comment_count":"0","comments":false,"id":11481}},"groups_keys":{"32285":{"ID":32285,"post_title":"Arbres de grand port, caducifoli\u00e9s. Feuilles lanc\u00e9ol\u00e9es. Chatons m\u00e2les dress\u00e9s. \tFruits couverts d\u2019une enveloppe sph\u00e9rique h\u00e9riss\u00e9e de longues \u00e9pines","post_content":"","post_excerpt":"","post_author":"1","post_date":"2021-02-23 13:41:57","post_date_gmt":"2021-02-23 13:41:57","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"arbres-de-grand-port-caducifolies-feuilles-lanceolees-chatons-males-dresses-fruits-couverts-dune-enveloppe-spherique-herissee-de-longues-epines","to_ping":"","pinged":"","post_modified":"2021-02-23 13:41:57","post_modified_gmt":"2021-02-23 13:41:57","post_content_filtered":"","post_parent":0,"guid":"https:\/\/www.northafricatrees.org\/family-group-key\/arbres-de-grand-port-caducifolies-feuilles-lanceolees-chatons-males-dresses-fruits-couverts-dune-enveloppe-spherique-herissee-de-longues-epines\/","menu_order":0,"post_type":"family_group_key","post_mime_type":"","comment_count":"0","comments":false,"id":32285},"32288":{"ID":32288,"post_title":"Arbres et arbustes \u00e0 feuilles persistantes ou caduques. Feuilles elliptiques, obovales ou suborbiculaires, rarement lanc\u00e9ol\u00e9es. Chatons m\u00e2les pendants. Fruit couvert uniquement \u00e0 la base d\u2019une cupule \u00e9cailleuse ou \u00e0 franges non \u00e9pineuses","post_content":"","post_excerpt":"","post_author":"1","post_date":"2021-02-23 13:41:58","post_date_gmt":"2021-02-23 13:41:58","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"arbres-et-arbustes-a-feuilles-persistantes-ou-caduques-feuilles-elliptiques-obovales-ou-suborbiculaires-rarement-lanceolees-chatons-males-pendants-fruit-couvert-uniquement-a-la-base-dun","to_ping":"","pinged":"","post_modified":"2021-02-23 13:41:58","post_modified_gmt":"2021-02-23 13:41:58","post_content_filtered":"","post_parent":0,"guid":"https:\/\/www.northafricatrees.org\/family-group-key\/arbres-et-arbustes-a-feuilles-persistantes-ou-caduques-feuilles-elliptiques-obovales-ou-suborbiculaires-rarement-lanceolees-chatons-males-pendants-fruit-couvert-uniquement-a-la-base-dun\/","menu_order":0,"post_type":"family_group_key","post_mime_type":"","comment_count":"0","id":32288}},"title_groups_keys":[],"images":false,"phylogenetic_order":"40","ID":10856,"post_title":"FAGACEAE Dum.","post_content":"

Famille compos\u00e9e de 9 genres et environ 1100 esp\u00e8ces d\u2019arbres et arbustes, essentiellement r\u00e9parties dans les r\u00e9gions temp\u00e9r\u00e9es et tropicales de l\u2019h\u00e9misph\u00e8re nord. Dans le N. de l\u2019Afrique, elle est repr\u00e9sent\u00e9e par deux genres pr\u00e9sentant une grande valeur \u00e9cologique et \u00e9conomique, les for\u00eats form\u00e9es par certaines de ses esp\u00e8ces jouant un r\u00f4le vital dans la cr\u00e9ation et la r\u00e9tention des sols et de l\u2019humidit\u00e9, facteurs cl\u00e9s dans la lutte contre l\u2019\u00e9rosion et la d\u00e9sertification qui affectent tant cette r\u00e9gion. <\/p>","post_excerpt":"","post_author":"1","post_date":"2020-11-10 08:58:16","post_date_gmt":"2020-11-10 08:58:16","post_status":"publish","comment_status":"closed","ping_status":"closed","post_password":"","post_name":"fagaceae-dum-3","to_ping":"","pinged":"","post_modified":"2020-11-10 08:58:16","post_modified_gmt":"2020-11-10 08:58:16","post_content_filtered":"","post_parent":[],"guid":"https:\/\/www.northafricatrees.org\/family\/fagaceae-dum-3\/","menu_order":0,"post_type":"family","post_mime_type":"","comment_count":"0","comments":false,"id":10856}],"species":false,"groups_keys":false,"title_groups_keys":false,"groups_keys_2":false,"title_groups_keys_2":false,"groups_keys_3":false,"title_groups_keys_3":false,"images":false,"yoast_head":"\nCastanea Miller - North Africa Trees<\/title>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Castanea Miller - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Genre repr\u00e9sent\u00e9 par 9 esp\u00e8ces, r\u00e9parties dans les r\u00e9gions temp\u00e9r\u00e9es de l’Holarctique. Dans le N. de l\u2019Afrique par une seule esp\u00e8ce, C. sativa, arbre dont la spontan\u00e9it\u00e9 dans la r\u00e9gion a \u00e9t\u00e9 questionn\u00e9e, mais qui est assur\u00e9ment autochtone de certains des monts les plus humides du Maroc, de l\u2019Alg\u00e9rie et de la Tunisie.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.northafricatrees.org\/fr\/genres\/castanea-miller\/\" \/>\n<meta property=\"og:site_name\" content=\"North Africa Trees\" \/>\n<meta property=\"article:modified_time\" content=\"2021-09-06T16:32:39+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.northafricatrees.org\/#organization\",\"name\":\"North \\u00e1frica trees\",\"url\":\"https:\/\/www.northafricatrees.org\/\",\"sameAs\":[],\"logo\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.northafricatrees.org\/#logo\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/www.northafricatrees.org\/wp-content\/uploads\/2020\/10\/logo-north-africa-trees.png\",\"width\":80,\"height\":70,\"caption\":\"North \\u00e1frica trees\"},\"image\":{\"@id\":\"https:\/\/www.northafricatrees.org\/#logo\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.northafricatrees.org\/#website\",\"url\":\"https:\/\/www.northafricatrees.org\/\",\"name\":\"North Africa Trees\",\"description\":\"\\u00c1rboles y arbustos aut\\u00f3ctonos del Norte de \\u00c1frica\",\"publisher\":{\"@id\":\"https:\/\/www.northafricatrees.org\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.northafricatrees.org\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.northafricatrees.org\/fr\/genres\/castanea-miller\/#webpage\",\"url\":\"https:\/\/www.northafricatrees.org\/fr\/genres\/castanea-miller\/\",\"name\":\"Castanea Miller - North Africa Trees\",\"isPartOf\":{\"@id\":\"https:\/\/www.northafricatrees.org\/#website\"},\"datePublished\":\"2020-11-10T09:01:42+00:00\",\"dateModified\":\"2021-09-06T16:32:39+00:00\",\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.northafricatrees.org\/fr\/genres\/castanea-miller\/\"]}]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.northafricatrees.org\/fr\/wp-json\/wp\/v2\/genus\/11484"}],"collection":[{"href":"https:\/\/www.northafricatrees.org\/fr\/wp-json\/wp\/v2\/genus"}],"about":[{"href":"https:\/\/www.northafricatrees.org\/fr\/wp-json\/wp\/v2\/types\/genus"}],"wp:attachment":[{"href":"https:\/\/www.northafricatrees.org\/fr\/wp-json\/wp\/v2\/media?parent=11484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}