{"id":12284,"date":"2020-11-10T10:07:40","date_gmt":"2020-11-10T10:07:40","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/senegalia-laeta-r-br-ex-benth-seigler-ebinger-3\/"},"modified":"2026-07-22T08:40:26","modified_gmt":"2026-07-22T08:40:26","slug":"senegalia-laeta-r-br-ex-benth-seigler-ebinger-3","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/fr\/esp\u00e8ce\/senegalia-laeta-r-br-ex-benth-seigler-ebinger-3\/","title":{"rendered":"Senegalia laeta (R.Br. ex Benth.) Seigler & Ebinger"},"content":{"rendered":"

Arbuste ou petit arbre caducifoli\u00e9 de jusqu’\u00e0 5 m de haut, \u00e9pineux, hermaphrodite, \u00e0 tronc court et rameaux \u00e9tal\u00e9s, l\u00e2ches. Tiges et rameaux principaux \u00e0 \u00e9corce lisse, peu fendill\u00e9e, gris clair, qui ne se d\u00e9tache pas. Rameaux jeunes herbac\u00e9s, glabres ou poilus. Aiguillons de 3-6 mm, en groupes de 2 \u2013rarement 3\u2013 au niveau de n\u0153uds, crochus, brun\u00e2tre-rouge\u00e2tre \u00e0 noir\u00e2tres, asym\u00e9triques, rarement r\u00e9duits ou absents. Feuilles de jusqu’\u00e0 8 cm, alternes, bipenn\u00e9es, glauques, \u00e0 stipules filiformes promptement caduques, \u00e0 p\u00e9tiole de 8-12 mm, pourvu d\u2019une glande vers sa moiti\u00e9, glabre ou pubescent au m\u00eame titre que le rachis, et 2-3 paires de pennes, chacune \u00e0 3-5(7) paires de folioles de 6-12 \u00d7 3-6 mm, elliptiques, oblongues ou oblongues-obov\u00e9es, \u00e0 sommet et base arrondis, subsessiles, vertes sur l’endroit et glauques sur l’envers, glabres ou parfois \u00e9parsement cili\u00e9es. Inflorescences spiciformes de 3-8 cm de long, bri\u00e8vement p\u00e9doncul\u00e9es, blanches ou blanch\u00e2tre-jaun\u00e2tre, solitaires ou en groupes de 2-3, \u00e0 rachis glabre ou l\u00e9g\u00e8rement poilu et nombreuses fleurs minuscules. Calice de 1,5-2 mm, campanul\u00e9, verd\u00e2tre, \u00e0 5 dents plus larges que longues, arrondies, scarieuses-blanch\u00e2tres sur le bord, glabres ou ciliol\u00e9es au sommet. Corolle de 3-3,5 mm, \u00e0 5 p\u00e9tales soud\u00e9s sur une bonne partie de la base, ov\u00e9s-lanc\u00e9ol\u00e9s, aigus, blancs ou blanch\u00e2tre-jaun\u00e2tre, ciliol\u00e9s \u00e0 l\u2019extr\u00e9mit\u00e9. \u00c9tamines nombreuses, l\u00e9g\u00e8rement soud\u00e9es \u00e0 la base, \u00e0 filet blanc. Gousse de (4)5-8 cm \u00d7 (15)20-25(28) mm, lin\u00e9aire-oblongue, pendante, non resserr\u00e9e entre les graines bien que parfois un peu \u00e9trangl\u00e9e \u00e0 hauteur des graines avort\u00e9es, tr\u00e8s comprim\u00e9e, obtuse ou apicul\u00e9e \u00e0 l\u2019extr\u00e9mit\u00e9 et att\u00e9nu\u00e9e \u00e0 la base, d\u2019un jaune paille, finement ou \u00e9parsement pubescente -finalement glabre-, tardivement d\u00e9hiscente, \u00e0 2-3(5) graines. Graines de 8-10 mm de diam\u00e8tre, suborbiculaires, tr\u00e8s comprim\u00e9es, brun-olivac\u00e9, \u00e0 pleurogramme en forme de fer \u00e0 cheval, fonc\u00e9, lisses, brillantes.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12284","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\nSenegalia laeta (R.Br. ex Benth.) Seigler & Ebinger - 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=\"Senegalia laeta (R.Br. ex Benth.) Seigler & Ebinger - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Arbuste ou petit arbre caducifoli\u00e9 de jusqu’\u00e0 5 m de haut, \u00e9pineux, hermaphrodite, \u00e0 tronc court et rameaux \u00e9tal\u00e9s, l\u00e2ches. Tiges et rameaux principaux \u00e0 \u00e9corce lisse, peu fendill\u00e9e, gris clair, qui ne se d\u00e9tache pas. Rameaux jeunes herbac\u00e9s, glabres ou poilus. 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