Centrosema pubescens
Herbs, perennial. Stems twining or trailing, sometimes rooting at nodes, slender, villous. Leaves pinnately 3-foliolate; stipules ovate to ovate-lanceolate, 2-3 mm, with longitudinal striations, persistent; petiole 2.5-6 cm; stipels small, setiform; petiolules short, 1-2 mm, terminal one longer; leaflets thinly papery, terminal leaflet elliptic, oblong, or subovate, 2.6-10 × 1.5-6.8 cm, sparsely villous on both surfaces, lateral veins 5-7 on each side, slender, merging near margin, base obtuse or rounded, apex acute; lateral leaflets slightly small, slightly oblique. Raceme with 2-4 flowers near apex; peduncle 2.5-7 cm; bracts similar to stipules in shape; bracteoles broadly ovate to broadly elliptic, obviously striate, adpressed to calyx, larger than bracts. Calyx 5-lobed; upper 2 lobes ± connate, lowest longest, linear. Corolla white, pink, or light purple, 2-3 cm; standard broadly orbicular, densely villous abaxially, with short spur near base; wings falcate-obovate, one side with curved auricle, almost semicircular, each petal shortly clawed. Legume linear, 7-13 × 0.5-0.6 cm, compressed, apex acuminate, beak straight, slender, 8-15 mm; valves convex to ridge from both sutures, twisting at dehiscence. Seeds 7-15, brownish black or yellowish green with dark mottling, oblong, 4-5 mm.
For forage.