Melolobium obcordatum Harv.

Divaricately branched, slightly spiny decumbent forming clumps or mats, up to 0.5 m high and 0.2 m wide. Leaves stipulate; leaflets obovate, (5-)7-9(-10) x 3-5 mm; glandular, sparsely hairy, apex emarginate; petiole 5-8(-13) mm long, stipules semi-cordate to auriculate, glandular, sparsely hairy, 23 x 0.5-1.5(-2) mm. Inflorescence terminal, 40-80(-120) mm long; with 5-8 flowers; flowers 5-6 mm long; bracts obliquely ovate, 3-4 x 2-3 mm; bracteoles, obliquely narrowly ovate, 1.5-2.0 x 0.5-1 mm. Calyx shortly bilabiate, glandular, hairy; upper lobes acute; upper lip 4-5 mm deep, the apices acute; upper sinus 1-2 mm deep; lateral sinus 2.4-2.8 mm deep; lower lobes acute, lower lip 4-5 mm long, the apices acute; lower sinuses 1-2 mm long. Corolla yellow; standard ovate-oblong, 4-5 x 3-4 mm, with a well-developed, channelled claw 1-2 mm long; wing petals oblong, sculptured, 7-8 x 2-3 mm, with a linear claw 1-2 mm long; keel petals shorter than the wing petals, 3-4 x 2-3 mm, with a linear claw 1-2 mm long. Gynoecium narrowly oblong, glandular, hairy, 2-3-ovuled. Fruit falcate, 12-16(-22) x 3-4 mm, glandular, hairy, 3-4-seeded; seeds transversely oblong to round, 2-2.3 x 1.6-2.0 mm, light brown to dark brown (almost black).