Otholobium sericeum (Poir.) C.H.Stirt.

A shrub up to 24 metres. Stems erect, leafy, densely cano-pubescent, at length becoming glabrous. Leaves trifoliolate, petiolate, stipulate; petioles up to 2.5 cm long; leaflets 0.6-4.5 cm long, 0.5-1.8 cm broad, elliptic or elliptic-lanceolate, mucronulate, with the upper surface glabrous or sparsely pilose and the lower surface densely canescent. Stipules up to 1.3 cm long and 3 mm broad, lanceolate, acute or subulate, cano-pubescent or glabrescent. Inflorescence axillary, or terminal. Peduncles up to 14 cm long. Flowers in dense globose heads, sub-sessile; each flower subtended by a bract. Bracts up to 1 cm long, ovate or lanceolate, villous, striate with dark lines. Calyx-tube 3-7 mm long, 0.7-1.3 cm in diameter, with reticulate veining, villoso-hirsute; lobes lanceolate, acute, reticulately veined, villous, pilose on the inner surface, ciliate; upper and lateral lobes 3-7 mm long, 1-2.5 mm broad; lowest lobe 0.75-1 cm long, 2-3 mm broad. Vexillum 7-8 mm long, 2-8 mm broad, obovate, geniculate, distinctly veined, with a hannelledclaw 2-5 mm long; alae 4.5-8 mm long, 2.3-5 mm broad, with a linear claw 3.5-6 mm.long; carina 3-5 mm long, 2-5 mm broad, with a linear claw 5-6.5 mm long. Ovary glabrous; style 5-7 mm long. Glands present but very minute. The whole plant has a silvery appearance owing to the silky cano-pubescence.