{"id":12363,"date":"2020-11-10T10:07:46","date_gmt":"2020-11-10T10:07:46","guid":{"rendered":"https:\/\/www.northafricatrees.org\/species\/pterospartum-tridentatum-l-willk\/"},"modified":"2026-07-22T10:39:03","modified_gmt":"2026-07-22T10:39:03","slug":"pterospartum-tridentatum-l-willk","status":"publish","type":"species","link":"https:\/\/www.northafricatrees.org\/en\/species\/pterospartum-tridentatum-l-willk\/","title":{"rendered":"Pterospartum tridentatum (L.) Willk."},"content":{"rendered":"<p>Shrub or subshrub up to 0.5(2) m in height, unarmed, hermaphrodite, evergreen, highly ramose from the base, upright. Stems and old branches with brown-dark bark, smooth, that peels off revealing a second brown layer. Young branchlets with 5-6 ribs with an inverted V-shape, 2 ribs expanded into longitudinal wings, somewhat coriaceous and slightly ondulate, green. Leaves alternate, unifoliolate, sessile, with leaflets 3-7 mm, triangular and tightly joined to the stipules into a tridentate structure, coriaceous and recurved, that ends each winged internode. Inflorescence racemose, axillary or terminal, with 2-15 flowers shortly pedicellate \u2014pedicel 1-5 mm, pubescent\u2014, each accompanied by 2 bracteoles. Calyx 5-9 mm, campanulate, bilabiate, with lips shorter than the tube, the upper lip bipartite and the lower lip slightly larger, tridentate and with shorter teeth, yellowish-green, silky-villous. Corolla 9-15 mm, papilionoid, yellow, with an ovate standard, emarginate, glabrous or sericeous, wings and keel subequal in size to the standard. Androecium monadelphous, with 10 stamens. Ovary sericeous and stigma decurrent along the style. Pod 13-14 \u00d7 4-4.5 mm, ellipsoid, compressed, sericeous-villous, dehiscent, with 1-6 seeds visible externally. Seeds <em>c.<\/em> 3 mm, ovoid-suborbicular, compressed, smooth, dark brown.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12363","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pterospartum tridentatum (L.) Willk. - North Africa Trees<\/title>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pterospartum tridentatum (L.) Willk. - North Africa Trees\" \/>\n<meta property=\"og:description\" content=\"Shrub or subshrub up to 0.5(2) m in height, unarmed, hermaphrodite, evergreen, highly ramose from the base, upright. Stems and old branches with brown-dark bark, smooth, that peels off revealing a second brown layer. 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