Erect densely leafy shrubs up to 1.5 m tall. Stems 1-2, much-branched in upper parts. Leaves digitately trifoliolate, lustrous green, margin yellowish, patent, somewhat cucullate, glands drying yellowish-brown to orange, considerably yellower on upper surface; shortly petiolate. Stipules 2-4 mm long, narrowly lanceolate to linear, semi-patent, glandular, pubescent. Leaflets 25-45 x 9-12 mm, laterals smaller, obovate to oblanceolate, apex obtuse to rounded, shortly mucronate; older leaves glabrous, nitid, younger leaves softly puberulous; petiole 3-4 mm long; petiolules 1 mm long. Inflorescences axillary, numerous, up to 17 on each seasonal shoot, sub-capitate, scarcely elongating, same length as the subtending leaves, comprised of 5-6 triplets of flowers, each triplet subtended by a 2-mm long, 1.0-1.5 mm widely obovate or truncate, densely glandular black-haired bract; young inflorescences, quite black. Flowers 7-9 mm long, greenish-white to pale mauve, sweetly-scented; pedicels 2.0-2.5 mm long, bracts reduced to a small tuft of black hairs. Calyx lobes 4.5-5.0 x 1.5 mm, tube 3 mm long; teeth unequal, ribs yellow glands in the fresh state. Standard 6-9 x 7-8 mm, claw 2.0-2.5 mm long; broadly ovate, emarginate, auriculate, inner face purplish-green, back greenish-brown with purple stripes. Wing petals 8-9 x 2 mm, longer than keel petals, claw 3 mm long, auriculate, billowy, narrow; sculpturing present, upper central, comprised of 16-22 transcostal lamellae. Keel petals 7 x 2 mm, claw 3 mm long, upcurving, apex obtuse, fused along lower margins. Androecium 7 mm long, split adaxially, vexillar stamen fused for half its length. Pistil 7 mm long; ovary 2 mm long, densely shaggy, gynophore 1.5 mm long; height of curvature 1.5 mm; upper part of style forward sloping, entasis developed before flexure; stigma capitate. Fruits 6 x 3.5 mm, densely black-haired, upper margin straight, lower margin convex, asymmetrically ovoid. Seeds 3.5 x 2.5 mm, greenish-brown, hilum central.
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