Shrublets, 60-100 cm tall. Stems erect, many branched, internodes short. Stipules brown, lanceolate, basally connate. Leaves 9-20 cm, 15-31-foliolate; leaflet blades elliptic to almost orbicular, 3-9 × 3-7 mm, abaxially slightly unevenly sericeous, adaxially glabrous, base subrounded to slightly cuneate, apex obtuse to slightly emarginate. Racemes lax, 6-16-flowered; peduncle ca. 2 × as long as leaves. Pedicel ca. 2 mm. Calyx teeth almost as long as tube. Corolla purple, 1.1-1.8 cm; standard obovate, apex emarginate; wings narrowly lanceolate, to almost 2 × as long as keel; keel almost semiorbicular to oblong, shorter than standard. Legume sericeous; articles 1 or 2, 4-7 × 4-6 mm. Fl. Jun-Jul, fr. Jul.
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