Compact shrubs up to 2 m tall, branched basally; young stems whitish puberulous-tomentose. Leaves 50-200 mm long, moderately to densely villous-tomentose; petiole 9-26 mm long; petiolule 1-2 mm long, densely villous-tomentose; stipules subulate to filiform, 3-15 mm long, villous-tomentose, persistent, apex often curled; leaflets 16-28, oblong-elliptic to ovate, 9-41 x 5-16 mm, base round to acute, apex acute, mucronate. Inflorescence robust, upright, paniculate, 30-100 mm long densely villous-tomentose, 10-100-flowered; bracts shortly oblong to elongate-ovate, 3-5 mm long, densely villous-tomentose, persistent; bracteoles filiform, often caducous. Hypanthium 1 mm long. Calyx 3-5 mm long, densely villous-tomentose, base truncate; lobes 0.5-1.5 mm long, straight, shorter than tube. Petals: standard suborbicular to very broadly ovate, 4.0-4.5 x 3.0-3.5 mm, erect, apex not reflexed, claw 3.5-4.5 mm long, glabrous; wing falcate-oblong, 6.5-7.5 x 2.5-3.5 mm, upper basal region pocketed and sculptured, claw 3.0-3.5 mm long; keel 3.5-4.0 x 2.5-3.5 mm, apex blunt, claw 3.5-4.5 mm long. Stamens fused basally to one third of their lengths, glabrous. Ovary 4.5 mm long, densely villous; stipe 1.5 mm long; ovules 6-8; style 3 mm long. Fruit 25-40 x 9-12 mm, 1-4-seeded, chartaceous, moderately to sparsely villous, pale brown, venation faint; upper suture wing to 1 mm broad. Seed 5-6 x 3-4 mm. Flowering time: December to May.
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