Shrub up to 2 m in height, unarmed, hermaphrodite, deciduous, highly branched from the base, with erect stems. Stems and old branches ribbed-angular, green, glabrous. Young branchlets with 7-9 T-shaped ribs, with straight hairs along ribs and short uncinate or crisped hairs along the intercostal valleys, green. Leaves unifoliolate on the upper part of the plant \u2014on young branchlets\u2014, sessile, and on the rest of the plant trifoliolate, petiole 5-12 mm, without stipules, solitary or in small groups at the end of brachyblasts, with leaflets 12 \u00d7 3 mm, lanceolate or linear-lanceolate \u2014wider at the brachyblasts\u2014, glabrous on the upper side and sericeous on the underside, green on both sides. Flowers solitary on the branchlets of the current year, axillary, with pedicel 5-8 mm, slightly hairy, with 2 bracteoles below halfway. Calyx 5-7 mm fairly scarious, campanulate, green at first and then brownish, bilabiate, the upper lip with 2 small teeth at the tip and the lower lip with 3, also very small, lower lip as long as the upper lip. Corolla 20-35 mm, papilionoid, yellow, with an ovate-suborbicular standard, emarginate at the apex, glabrous, and with slightly larger wings and keel, the latter acute, falcate. Androecium monadelphous, with 10 stamens. Ovary densely villous, with the style widened towards the top, and capitate stigma. Pod 20-30 \u00d7 9-10 mm, trapezoid or rhomboid, swollen, green at first, then black, densely villous-cottony, with 6-10 seeds. Seeds 3-4 mm, ovoid, compressed, smooth, brownish.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12390","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\n