{"id":12395,"date":"2020-11-10T10:07:49","date_gmt":"2020-11-10T10:07:49","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/cytisus-arboreus-desf-dc-3\/"},"modified":"2026-07-22T12:22:45","modified_gmt":"2026-07-22T12:22:45","slug":"cytisus-arboreus-desf-dc-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/cytisus-arboreus-desf-dc-3\/","title":{"rendered":"Cytisus arboreus (Desf.) DC."},"content":{"rendered":"

Arbuste caducifoli\u00e9 de jusqu\u2019\u00e0 4 m de haut \u2013\u00e0 tronc parfois d\u00e9fini, plus ou moins tortueux\u2013, inerme, hermaphrodite, tr\u00e8s ramifi\u00e9 depuis la base, \u00e0 tiges dress\u00e9es et feuilles promptement remplac\u00e9es. Tiges et rameaux vieux \u00e0 \u00e9corce fendill\u00e9e longitudinalement, brun\u00e2tre, glabre. Ramilles jeunes \u00e0 (5)7-8 c\u00f4tes en forme de T, dens\u00e9ment s\u00e9ric\u00e9es au d\u00e9but, \u00e0 poils droits sur les c\u00f4tes et poils courts cr\u00eap\u00e9s dans les sillons intercostaux. Feuilles toutes trifoli\u00e9es, sans stipules, \u00e0 p\u00e9tiole de 3-17(30) mm, solitaires sur les macroblastes et en petits groupes sur les brachyblastes, \u00e0 folioles de 8-20 mm \u00d7 3-7 mm \u2013beaucoup plus grandes en conditions tr\u00e8s favorables\u2013, sub\u00e9gales, obov\u00e9es ou oblongues-obov\u00e9es, glabres sur l\u2019endroit et s\u00e9ric\u00e9es ou glabrescentes sur l\u2019envers, vertes. Fleurs solitaires ou en groupes de 2-6 sur les ramilles de l\u2019ann\u00e9e, axillaires, \u00e0 p\u00e9dicelle de 5-15 mm, l\u00e9g\u00e8rement poilu, \u00e0 2-3 bract\u00e9oles dans sa moiti\u00e9 sup\u00e9rieure. Calice de 5-7 mm, campanul\u00e9, d\u2019abord vert, puis brun-gris\u00e2tre, bilabi\u00e9, la l\u00e8vre sup\u00e9rieure \u00e0 2 petites dents sur l\u2019extr\u00e9mit\u00e9 et l\u2019inf\u00e9rieure \u00e0 3 dents, \u00e9galement tr\u00e8s petites, aussi longue ou l\u00e9g\u00e8rement plus que la sup\u00e9rieure. Corolle de 15-22 mm, papilionac\u00e9e, jaune, \u00e0 \u00e9tendard ov\u00e9-suborbiculaire, \u00e9margin\u00e9 ou \u00e9chancr\u00e9 au sommet, glabre, plus grand que les ailes et la car\u00e8ne, cette derni\u00e8re obtuse. Androc\u00e9e monadelphe, \u00e0 10 \u00e9tamines. Ovaire glabre ou poilu, \u00e0 style plus ou moins cylindrique sur toute sa longueur, et stigmate capit\u00e9. Gousse de 30-45 \u00d7 7-8 mm, lin\u00e9aire-oblongue, tr\u00e8s comprim\u00e9e, d\u2019abord verte, puis noire, glabre ou poilue, \u00e0 4-12 graines. Graines de 3-4 mm, ovo\u00efdes, comprim\u00e9es, lisses, brun-verd\u00e2tre brun\u00e2tre.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12395","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nCytisus arboreus (Desf.) DC. - 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=\"Cytisus arboreus (Desf.) 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