{"id":12254,"date":"2020-11-10T10:07:38","date_gmt":"2020-11-10T10:07:38","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/vachellia-tortilis-forssk-galasso-banfi-3\/"},"modified":"2026-07-21T17:03:08","modified_gmt":"2026-07-21T17:03:08","slug":"vachellia-tortilis-forssk-galasso-banfi-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/vachellia-tortilis-forssk-galasso-banfi-3\/","title":{"rendered":"Vachellia tortilis (Forssk.) Galasso & Banfi"},"content":{"rendered":"

Arbre caducifoli\u00e9 de jusqu\u2019\u00e0 14(20) m de haut, \u00e9pineux, hermaphrodite, ramifi\u00e9 depuis la base et \u00e0 port plus ou moins en parasol, ou \u00e0 tronc bien d\u00e9fini, droit ou l\u00e9g\u00e8rement tortueux, et houppier un peu irr\u00e9gulier. Tronc \u00e0 \u00e9corce brun-gris\u00e2tre, fendill\u00e9e longitudinalement, qui se d\u00e9tache en \u00e9cailles allong\u00e9es. Rameaux \u00e9tal\u00e9s, tr\u00e8s ramifi\u00e9s, lisses, les plus anciens brun-gris\u00e2tre, les plus jeunes brun-rouge\u00e2tre, et ramilles de l\u2019ann\u00e9e verd\u00e2tre-rouge\u00e2tre, glabres ou poilues, pourvues de lenticelles. \u00c9pines stipulaires de (0,5)2-10 cm, appari\u00e9es, divergentes, droites-courb\u00e9es, d’abord de la couleur des ramilles, puis blanch\u00e2tres ou blanches. Feuilles de 1-4,5 cm, alternes ou en fascicules sur les n\u0153uds, bipenn\u00e9es, \u00e0 p\u00e9tiole de 2-15 mm, et rachis \u00e0 2-8(10) paires de pennes -pourvu d\u2019une glande sous l\u2019insertion des pennes-, chacune \u00e0 4-15(20) paires de folioles de (1)2-7 \u00d7 0,6-1,2 mm, oblongues ou oblongues-lin\u00e9aires, \u00e0 sommet et base arrondis, subsessiles, enti\u00e8res, glabres ou poilues, de couleur vert terne, glaucescentes sur les deux faces. Inflorescences en capitules glom\u00e9ruliformes globuleux de (4)7-12 mm de diam\u00e8tre, axillaires, solitaires ou en groupes de 2-5, p\u00e9doncul\u00e9es \u2013p\u00e9doncule de 1,5-3 cm, glabrescent\u2013, \u00e0 nombreuses fleurs minuscules, blanches ou blanch\u00e2tre-jaun\u00e2tre. Calice de 1,5-2 mm, \u00e0 dents glabres. Corolle de 1,5-3 mm, \u00e0 5 lobules ov\u00e9s. \u00c9tamines tr\u00e8s nombreuses. Gousse de 3-15 cm \u00d7 5-9 mm, lin\u00e9aire, tr\u00e8s comprim\u00e9e, l\u00e9g\u00e8rement resserr\u00e9e entre les graines, glabre ou poilue, d\u2019abord verte puis orange p\u00e2le, brun\u00e2tre ou noir\u00e2tre, \u00e0 stries longitudinales irr\u00e9guli\u00e8res, tordue en spirale \u00e0 la maturit\u00e9 \u2013accomplissant parfois un cercle complet, voire davantage\u2013, \u00e0 6-12 graines. Graines de 3-7 \u00d7 2-6 mm, ellipso\u00efdales, comprim\u00e9es, brun-noir\u00e2tre et lisses.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12254","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nVachellia tortilis (Forssk.) Galasso & Banfi - 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=\"Vachellia tortilis (Forssk.) 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