A much-branched shrub, scrambling herb or perennial twiner up to 1 m tall; stems densely clothed with thin appressed soft hairs, especially on young parts, sometimes interspersed with patent, bulbous-based glandular hairs and raised golden glands, becoming glabrous and shiny with age. Leaflets pinnately 3-foliolate; upper surface sparsely pubescent, with a few scattered glands, glabrescent; lower surface with prominent nervation, densely pubescent especially on margins and veins, with small raised golden glands scattered in intervenal areas; terminal leaflet 16-25(-33) x 16-22(-36) mm, broadly rhomboid or deltoid, gradually narrowed to an obtuse or subacute apex; lateral leallets 15-22(-30) x 11-2()(-22) mm with lower margin distinctly gibbous; petiole 15-26 mm long; petiolules 5-12 mm long, canaliculate, stipellate. Stipules up to 3.5 mm long, subulate, appressed, densely pubescent and glandular outside, glabrous inside. Inflorescences axillary, lax. unbranched, up to 13-tlowered racemes; bracts up to 3 x 2 mm, ovate, reddish brown, pubescent, caducous; ebracteolale. Flowers yellow with purple venation, keel deep purple to maroon. Calyx finely pubescent, glandular with raised golden glands and bulbous-based hairs; tube 3.5-4.5 mm long; lobes narrowly triangular, carinal lobe up to 7 mm long, longer than other lobes. Standard 15-16 x 9-13 mm, broadly obovate to suborbicular, narrowing into an auriculate claw, sparsely sericeous with raised golden glands especially near apex on outside. Wing petals up to 8 mm long, obovate to slightly cymbiform, slightly pouched. Keel petals 17 mm long; pocket present on outside towards base, up to 1 mm deep; auricles present. Stamens diadelphous; sheath split adaxially; anthers up to 1 mm long, alternately basifixed and dorsifixed. Gynoecium up to 20 mm long; ovary' 2-ovulate, densely white pilose; style bent in upper third, pubescent to point of flexure. Fruit 35-44 mm long, oblong-falcate, narrowed towards base, recurving downwards at tip, conspicuously veined, covered with bulbous-based glandular hairs and raised golden glands. Seeds unknown.
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