Subshrub or spiny shrub, up to 0.8(1) m in height, hermaphrodite, deciduous, cushion-shaped, highly branched from the base. Stems and old branches with thick bark, almost suberose, brown. Young branchlets erect or erect-patent, opposite or subopposite, rigid and sharp, with (8)10-13 T-shaped ribs, silvery, sericeous, with medifixed hairs. Leaves mostly unifoliolate \u2014lower leaves sometimes trifoliolate\u2014, opposite \u2014the upper leaves alternate\u2014 subsessile or petiolate, without stipules, promptly deciduous, with leaflets 5-13 \u00d7 2-3.2 mm, oblanceolate or spatulate, \u00b1 obtuse, attenuated at the base, entire, sericeous-silvery on both sides. Flowers solitary, in pairs or in groups of 3 at the end branchlets of the current year, pedicellate, with pedicel up to 8 mm, sericeous. Calyx 12-15 mm, only just bilabiate, cylindrical at first and later inflated, subcylindrical-urceolate, papery, sericeous, pinkish or somewhat purple, with 5 triangular-subulate teeth, the upper 2 somewhat smaller. Corolla 14-19 mm, papilionoid, purplish to blue-purple \u2014exceptionally white\u2014, marcescent, with an oblong standard, truncate, glabrous, and wings and keel as long as or slightly longer than the standard. Androecium monadelphous, with 10 stamens. Ovary hairy, and capitated stigma. Pod 12-22 \u00d7 (3.5)4-6 mm, oblong or narrowly-elliptical, compressed, acuminate and attenuate at the base, sericeous, with a persistent calyx, and 1-4 seeds. Seeds 2.7-3.2 mm, ovoid, compressed, smooth, glabrous, usually dark-brown, shiny.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-12450","species","type-species","status-publish","hentry"],"acf":[],"yoast_head":"\n