Vigna comosa Baker

Perennial prostrate or climbing herb, 0·4–1·2 m. long.. Stems rather graceful or more robust, covered with dense short white pubescence.. Leaflets 3, ovate to lanceolate, 0·8–3·5(–6) cm. long, 0·4–2(–3·8) cm. wide, often hastately lobed, rounded to subacute at the apex, cuneate or rounded at the base, pubescent or glabrescent; petioles 0·6–2·5(–3·5) cm. long; rhachis 2–10 mm. long; petiolules ± 1 mm. long; stipules persistent, filiform, 2–3 mm. long.. Inflorescences axillary; rhachis slightly zigzag, 0·4–6·5 cm. long, pubescent, characteristically nodulated by the persistent glandular fascicle-bases after flowers have fallen; peduncle 2–15(–20) cm. long; pedicels 1–2 mm. long; bracts deciduous, lanceolate, 2–3 mm. long, 1-nerved; bracteoles persistent, similar, 3–4 mm. long.. Calyx sparsely pubescent; tube 1·5–2 mm. long; lobes triangular, 0·6–1·5 mm. long, the lowest apiculate, the upper pair united into an emarginate or bidentate lip.. Corolla yellow or sometimes described as mauve and yellow; standard oblate, (0·5–)0·8–1(–1·4) cm. long, 0·95–1·4 cm. wide, emarginate, glabrous; keel with short scarcely incurved beak.. Pods oblong-falcate, with a short curved beak, 1–2·5 cm. long, 4–5 mm. wide, sparsely pubescent, 1–3-seeded.. Seeds reddish-brown, mottled black, narrowly oblong or ovoid, longest dimension 3–5 mm., shorter dimension 2–3·3 mm., ± 2 mm. thick; aril rugulose, markedly eccentric, 2–3 mm. long.