Mucuna glabrialata (Hauman) Verdc.

Robust climbing herb up to 3 m. long.. Stems glabrescent or sparsely covered with minute adpressed fulvous hairs particularly at the nodes.. Leaflets rather thick, drying blackish, ovate-rhomboid, the laterals distinctly oblique, 2·6–8·5 cm. long, 2–7·5 cm. wide, broadly rounded or slightly emarginate but mucronulate at the apex, rounded at the base, covered with minute adpressed fulvous hairs; petiole 2·5–18 cm. long; rhachis 1–3 cm. long; petiolules 2·5–6 mm. long; stipules lanceolate or triangular, 4 mm. long, 1·5 mm. wide.. Inflorescences 5–15 cm. long above a peduncle 2–9 cm. long; flowers 3 per node, on pedicels 4–5 mm. long; bracts deciduous, lanceolate, 1–1·1 cm. long, 4 mm. wide, pilose with fulvous hairs; bracteoles similar, 7–9 mm. long, 1·5 mm. wide.. Calyx with adpressed fulvous hairs; tube 5 mm. long, 1 cm. wide; lobes triangular, 4·5–9 mm. long.. Standard almost black, rounded-ovate, 2·1–2·4 cm. long, 2–2·2 cm. wide; wings deep blackish-red or almost black, 2·5–3·2 cm. long, hairy only along lower margin at base but not on blade above; keel similarly coloured, 2·5–3 cm. long, the tip horny.. Pods oblong, elongate-sigmoid, 7–8 cm. long, 1·1–1·4 cm. wide, very densely covered with pale yellowish-fulvous irritant hairs.. Seeds olive-brown to black, rounded in outline or oblong, compressed, longest dimension 8–9·5 mm., shorter dimension 7–8 mm., 2·5–4·5 mm. thick; hilum central, 3·5 mm. long; rim-aril black.. Fig. 82/4, p. 563.