Shrub up to 2.5(3) m in height, unarmed, hermaphrodite, highly branched, with erect stems, very foliose. Stems and old branches with brownish bark that peels into longitudinal strips, turning glabrous. Young branchlets striated longitudinally, with (8)10(12) T-shaped ribs, with sericeous hairs along the ribs and short uncinate hairs along the valleys. Leaves alternate, unifoliolate, with stipules \u2014stipular organs with 3 ribs\u2014, with leaflets 5-30 \u00d7 2-14 mm, oblanceolate, spatulate or ovate, attenuated at the base, petiolulate, acute or obtuse, green, sericeous on both sides although more on the underside. Inflorescences racemiform, terminal, with 3-30 pedicellate flowers, with pedicels up to 3.5 mm, sericeous. Calyx 5-10 mm, sericeous deeply split into 2 lips longer than the tube, the upper lip bipartite into 2 triangular-lanceolate segments, and the lower lip trifid or tridentate, larger than the upper lip. Corolla 10-15 mm papilionoid, yellow, marcescent, with standard ovate, rounded or emarginate at the apex, with dorsal side sericeous at the base and along the midrib \u2014rarely glabrous\u2014, subequal or somewhat longer than the wings and the keel. Androecium monadelphous, with 10 stamens. Ovary sericeous, and stigma globose, terminal. Pod 10-25 \u00d7 4.5-7 mm, linear-oblong, compressed, somewhat torulose, sericeous, with 2-6 seeds. Seeds 2.4-3 mm, ovoid or subglobose, smooth, brownish, without an aril.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12312","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\n