{"id":12083,"date":"2020-11-10T10:07:26","date_gmt":"2020-11-10T10:07:26","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/tamarix-amplexicaulis-ehrenb-3\/"},"modified":"2026-07-17T17:44:27","modified_gmt":"2026-07-17T17:44:27","slug":"tamarix-amplexicaulis-ehrenb-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/tamarix-amplexicaulis-ehrenb-3\/","title":{"rendered":"Tamarix amplexicaulis Ehrenb."},"content":{"rendered":"

Petit arbre ou arbuste \u00e0 feuilles persistantes, hermaphrodite, de jusqu\u2019\u00e0 8(10) m de haut, \u00e0 houppier vaste mais peu dense. Tronc dress\u00e9 de 20-40 cm de diam\u00e8tre, rarement davantage, \u00e0 \u00e9corce brun-gris\u00e2tre, l\u00e9g\u00e8rement fendill\u00e9e longitudinalement. Rameaux \u00e9tal\u00e9s-dress\u00e9s, \u00e0 \u00e9corce plus ou moins lisse, brun-gris\u00e2tre \u00e0 rouge\u00e2tre. Ramilles tr\u00e8s effil\u00e9es et flexibles, brun-rouge\u00e2tre \u00e0 rouges, vertes les plus jeunes. Feuilles tr\u00e8s courtes (1-5 mm), alternes, sessiles, sans stipules, larges \u2013fr\u00e9quemment plus larges que longues\u2013, squamiformes, triangulaires, \u00e0 pointe peu aigu\u00eb, un peu apprim\u00e9es \u00e0 la ramille sur laquelle elles croissent, qu\u2019elles embrassent presque enti\u00e8rement. La moiti\u00e9 sup\u00e9rieure de la feuille est parfois libre et l\u00e9g\u00e8rement recourb\u00e9e vers l\u2019arri\u00e8re. Limbe foliaire pourvu de glandes s\u00e9cr\u00e9trices de sel, nombreuses et bien visibles. Parfois, en particulier dans les lits et berges des sebkhas, la pr\u00e9sence de sel s\u00e9cr\u00e9t\u00e9 est si abondante qu\u2019elle ne permet pas de distinguer les feuilles, ce qui donne un aspect enti\u00e8rement blanch\u00e2tre \u00e0 tous les organes de l\u2019arbre, tronc et rameaux primaires exclus. Les rac\u00e8mes (30-70 \u00d7 8-9 mm) naissent sur les jeunes ramilles, \u00e0 fleurs peu denses. Fleurs relativement grandes (6-10 mm de diam\u00e8tre), subsessiles, \u00e0 5 p\u00e9tales (1,5-2 mm de long) largement ov\u00e9s-elliptiques ou largement ov\u00e9s, roses. \u00c9tamines en nombre tr\u00e8s vari\u00e9, y compris entre les fleurs d’un m\u00eame rac\u00e8me, mais toujours entre 6 et 12. Le disque nectarif\u00e8re est parasinlophe, et s\u2019av\u00e8re particuli\u00e8rement remarquable par la pr\u00e9sence d’un grand nombre de lobules et d’\u00e9tamines. S\u00e9pales et bract\u00e9es plus ou moins ovo\u00efdes. Le fruit est une capsule ovo\u00efde-pyramidale [4-6(10) mm de long], de couleur rouge, qui lib\u00e8re en s\u2019ouvrant de nombreuses graines minuscules pourvues de poils blanch\u00e2tres unicellulaires.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12083","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nTamarix amplexicaulis Ehrenb. - 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=\"Tamarix amplexicaulis Ehrenb. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Petit arbre ou arbuste \u00e0 feuilles persistantes, hermaphrodite, de jusqu\u2019\u00e0 8(10) m de haut, \u00e0 houppier vaste mais peu dense. Tronc dress\u00e9 de 20-40 cm de diam\u00e8tre, rarement davantage, \u00e0 \u00e9corce brun-gris\u00e2tre, l\u00e9g\u00e8rement fendill\u00e9e longitudinalement. Rameaux \u00e9tal\u00e9s-dress\u00e9s, \u00e0 \u00e9corce plus ou moins lisse, brun-gris\u00e2tre \u00e0 rouge\u00e2tre. 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Tronc dress\u00e9 de 20-40 cm de diam\u00e8tre, rarement davantage, \u00e0 \u00e9corce brun-gris\u00e2tre, l\u00e9g\u00e8rement fendill\u00e9e longitudinalement. Rameaux \u00e9tal\u00e9s-dress\u00e9s, \u00e0 \u00e9corce plus ou moins lisse, brun-gris\u00e2tre \u00e0 rouge\u00e2tre. 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