{"id":12050,"date":"2020-11-10T10:07:24","date_gmt":"2020-11-10T10:07:24","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/gymnocarpos-decandrus-forssk-3\/"},"modified":"2026-07-17T16:31:57","modified_gmt":"2026-07-17T16:31:57","slug":"gymnocarpos-decandrus-forssk-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/gymnocarpos-decandrus-forssk-3\/","title":{"rendered":"Gymnocarpos decandrus Forssk."},"content":{"rendered":"

Arbuste de petite taille, habituellement inf\u00e9rieur \u00e0 50 cm en zones arides et soumises \u00e0 un p\u00e2turage intensif, mais pouvant atteindre jusqu\u2019\u00e0 80(100) cm en zones pr\u00e9sentant de meilleures conditions \u00e9daphiques et climatologiques, \u00e0 port dress\u00e9 ou subdress\u00e9 et base ligneuse, tortueuse. Rameaux basaux rigides, dress\u00e9s ou plus ou moins divariqu\u00e9s, \u00e0 \u00e9corce gris\u00e2tre stri\u00e9e longitudinalement. Ramilles blanch\u00e2tres, glabres ou l\u00e9g\u00e8rement villeuses. Feuilles (jusqu\u2019\u00e0 15 \u00d7 1,8 mm) oppos\u00e9es, parfois verticill\u00e9es, lin\u00e9aires-subcylindriques, charnues, sessiles, glauques. Stipules scarieuses ov\u00e9es-triangulaires, courtes, de jusqu\u2019\u00e0 1 mm, brun\u00e2tres, plus ou moins villeuses et \u00e0 bord cili\u00e9. Inflorescences en glom\u00e9rules terminaux, rarement axillaires. Bract\u00e9es lin\u00e9aires-subul\u00e9es, foliac\u00e9es, mucron\u00e9es, plus petites que les fleurs. Fleurs petites. Calice (7-9 mm) herbac\u00e9 puis indur\u00e9, \u00e0 5 s\u00e9pales soud\u00e9s \u00e0 la base formant un tube court plus ou moins villeux, \u00e0 15 nervures, oblong \u00e0 subcylindrique. Dents du calice divergentes et plus grandes que le tube, lin\u00e9aires, verd\u00e2tres \u00e0 rouge\u00e2tres et \u00e0 bord scarieux et apex obtus et mucron\u00e9, glabres bien que l\u00e9g\u00e8rement poilues au sommet. Sans p\u00e9tales, mais avec 5 staminodes partant du disque, oppos\u00e9s aux s\u00e9pales, mesurant entre un et deux tiers de la longueur de ces derniers, lin\u00e9aires. \u00c9tamines des filets : 5, subul\u00e9es, et anth\u00e8res m\u00e9difixes, oblongues-ovales. Ovaire semi-inf\u00e8re, ovo\u00efde, plus ou moins concrescent avec le tube du calice. Style plus ou moins aussi long que les s\u00e9pales, \u00e0 apex trifide. Le fruit est un ak\u00e8ne membraneux.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12050","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nGymnocarpos decandrus Forssk. - 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=\"Gymnocarpos decandrus Forssk. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbuste de petite taille, habituellement inf\u00e9rieur \u00e0 50 cm en zones arides et soumises \u00e0 un p\u00e2turage intensif, mais pouvant atteindre jusqu\u2019\u00e0 80(100) cm en zones pr\u00e9sentant de meilleures conditions \u00e9daphiques et climatologiques, \u00e0 port dress\u00e9 ou subdress\u00e9 et base ligneuse, tortueuse. 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