Leaves subsessile, simple; blade 3.5–8 × 0.7–2(2.6) cm, lanceolate, oblong-lanceolate or elliptic, acute, apiculate, rounded to subcordate at the base, sparsely appressed puberulous beneath; stipules 1.5–4 mm long, filiform to subulate.
Standard subcircular, pale yellow, veined reddish-purple and apically pubescent outside; wings ± as long as the keel; keel 8–12(14) mm long, rounded, with a short slightly incurved beak.
Racemes mostly terminal, laxly few-flowered; bracts 2–4 mm long, linear-subulate; bracteoles at top of the pedicel, 2–4 mm long, subulate to linear-lanceolate.
Suffrutex with small woody rootstock and several laxly branched and ascending 4-angled sparsely appressed puberulous stems, up to 50 cm tall.
Calyx 8–11(14) mm long, shortly appressed pubescent; lobes narrowly triangular-lanceolate, 2–3 times as long as the tube.
Pod 3.4–4 cm long, subsessile, fusiform-cylindrical, appressed pubescent, many-seeded.
Seeds 2–2.5 mm long, obliquely cordiform, rugulose.