{"id":12455,"date":"2020-11-10T10:07:53","date_gmt":"2020-11-10T10:07:53","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/ulex-parviflorus-2\/"},"modified":"2026-07-22T16:45:37","modified_gmt":"2026-07-22T16:45:37","slug":"ulex-parviflorus-2","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/ulex-parviflorus-2\/","title":{"rendered":"Ulex parviflorus Pourr."},"content":{"rendered":"

Arbrisseau ou arbuste atteignant 1,5(2) m de haut, tr\u00e8s \u00e9pineux, hermaphrodite, tr\u00e8s rameux, parfois intriqu\u00e9 et plus ou moins h\u00e9misph\u00e9rique (lorsqu\u2019il cro\u00eet sur terrains secs, est tr\u00e8s expos\u00e9 aux vents ou est abrouti). Tiges et rameaux les plus vieux \u00e0 \u00e9corce brun\u00e2tre, fendill\u00e9e longitudinalement. Rameaux jeunes vert vif, stri\u00e9s, glabres ou glabrescents, d\u2019abord un peu poilus, puis rapidement glabres. \u00c9pines solitaires, axillaires, rigides, pointues, d\u2019abord pourvues de quelques poils, puis promptement glabres. \u00c9pines primaires de jusqu\u2019\u00e0 3 cm, droites ou un peu arqu\u00e9es, alternes ; les secondaires beaucoup plus petites (jusqu\u2019\u00e0 1 cm), voire absentes sur les tiges florif\u00e8res. Phyllodes de 1-5 mm, aciculaires, spinescents, \u00e0 l\u2019aisselle desquels naissent les ramilles secondaires. Fleurs solitaires ou en groupes rac\u00e9miformes de 2-3, sur les ramilles lat\u00e9rales spiniformes, \u00e0 p\u00e9dicelle de 2-3 mm, pubescent. Calice de 7-10 mm, bilabi\u00e9, brun-rouge\u00e2tre, de long, villeux-soyeux, \u00e0 poils courts tr\u00e8s appliqu\u00e9s. L\u00e8vres divis\u00e9es jusqu\u2019\u00e0 la base, sub\u00e9gales, la sup\u00e9rieure bident\u00e9e au sommet, l\u2019inf\u00e9rieure trident\u00e9e. L\u00e8vre sup\u00e9rieure de 2-3 mm de large, subarrondie, l\u2019inf\u00e9rieure att\u00e9nu\u00e9e, pr\u00e9sentant souvent une constriction bien visible pr\u00e8s de la base. Corolle de 10-13 mm, papilionac\u00e9e, jaune, \u00e0 \u00e9tendard glabre, ailes glabres ou pourvues de quelques cils sur le bord, plus courtes que l\u2019\u00e9tendard et la car\u00e8ne, cette derni\u00e8re plus ou moins soyeuse sur le dos, un peu plus courte que l\u2019\u00e9tendard. Androc\u00e9e monodelphe. Ovaire poilu. Fruit en gousse de 11-15 \u00d7 5-6 mm, oblongue-ovo\u00efde, comprim\u00e9e, d\u00e9hiscente, plus ou moins villeuse, aussi longue que le calice et la corolle, ces derniers marcescents, d\u2019abord verte, puis gris\u00e2tre-noir\u00e2tre, \u00e0 2-4 graines. Graines de 2,5-3,4 \u00d7 1,6-2,2 mm, plus ou moins ovo\u00efdes, un peu comprim\u00e9es, brun-verd\u00e2tre, lisses et brillantes.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12455","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nUlex parviflorus Pourr. - 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=\"Ulex parviflorus Pourr. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbrisseau ou arbuste atteignant 1,5(2) m de haut, tr\u00e8s \u00e9pineux, hermaphrodite, tr\u00e8s rameux, parfois intriqu\u00e9 et plus ou moins h\u00e9misph\u00e9rique (lorsqu\u2019il cro\u00eet sur terrains secs, est tr\u00e8s expos\u00e9 aux vents ou est abrouti). Tiges et rameaux les plus vieux \u00e0 \u00e9corce brun\u00e2tre, fendill\u00e9e longitudinalement. 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