{"id":12332,"date":"2020-11-10T10:07:44","date_gmt":"2020-11-10T10:07:44","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/genista-tricuspidata-desf-3\/"},"modified":"2026-07-22T09:47:41","modified_gmt":"2026-07-22T09:47:41","slug":"genista-tricuspidata-desf-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/genista-tricuspidata-desf-3\/","title":{"rendered":"Genista tricuspidata Desf."},"content":{"rendered":"

Arbuste ou sous-arbuste atteignant 1(2) m de haut, tr\u00e8s \u00e9pineux, hermaphrodite, tr\u00e8s ramifi\u00e9 voire intriqu\u00e9, \u00e0 tiges dress\u00e9es, peu feuillues. Tiges et rameaux vieux \u00e0 \u00e9corce brun\u00e2tre-gris\u00e2tre, fendill\u00e9e longitudinalement, glabre \u00e0 la fin. Ramilles jeunes vertes, stri\u00e9es-c\u00f4tel\u00e9s longitudinalement, \u00e0 9-10 c\u00f4tes en forme de V invers\u00e9, d\u2019abord s\u00e9ric\u00e9es, puis glabrescentes, termin\u00e9es en \u00e9pine. \u00c9pines simples ou trifurqu\u00e9es \u2013rarement penn\u00e9es\u2013, vertes, de 1-4,5 cm. Feuilles alternes, unifoli\u00e9es, sans stipules, subsessiles, \u00e0 foliole de 4-10 \u00d7 1-2 mm, oblongue-lanc\u00e9ol\u00e9e ou spatul\u00e9e, p\u00e9tiolul\u00e9e, att\u00e9nu\u00e9e \u00e0 la base, g\u00e9n\u00e9ralement obtuse, verte, glabrescente sur l\u2019endroit et s\u00e9ric\u00e9e sur l\u2019envers, \u00e0 2 phyllodes spinuleux \u00e0 la base. Inflorescences rac\u00e9miformes, terminales, l\u00e2ches, pauciflores, \u00e0 axe termin\u00e9 en \u00e9pine et parfois prolong\u00e9 au-del\u00e0 du groupement de fleurs, \u00e0 fleurs p\u00e9dicell\u00e9es \u2013p\u00e9dicelle de jusqu’\u00e0 2,5 mm, s\u00e9ric\u00e9. Calice de 3-6 mm, plus ou moins s\u00e9ric\u00e9, profond\u00e9ment divis\u00e9 en 2 l\u00e8vres, la sup\u00e9rieure bipartite en autant de segments triangulaires-lanc\u00e9ol\u00e9s, et l\u2019inf\u00e9rieure trident\u00e9e, \u00e0 dents lanc\u00e9ol\u00e9es. Corolle de 6,5-13,5 mm, papilionac\u00e9e, jaune, caduque, \u00e0 \u00e9tendard ov\u00e9, tronqu\u00e9 ou \u00e9margin\u00e9 au sommet, l\u00e9g\u00e8rement poilu sur le sommet et les nervures, plus court que les ailes et la car\u00e8ne. Androc\u00e9e monadelphe, \u00e0 10 \u00e9tamines. Ovaire s\u00e9ric\u00e9, \u00e0 stigmate oblique et introrse. Gousse de 3-9 \u00d7 2-5 mm, ovo\u00efde, un peu falqu\u00e9e, brun\u00e2tre ou noir\u00e2tre, \u00e9parsement s\u00e9ric\u00e9e, \u00e0 1 graine. Graines de 2-2,7 mm, ovo\u00efdes ou subglobuleuses, lisses, brun\u00e2tres ou noir\u00e2tres, sans arille.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12332","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nGenista tricuspidata Desf. - 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=\"Genista tricuspidata Desf. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbuste ou sous-arbuste atteignant 1(2) m de haut, tr\u00e8s \u00e9pineux, hermaphrodite, tr\u00e8s ramifi\u00e9 voire intriqu\u00e9, \u00e0 tiges dress\u00e9es, peu feuillues. 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