Spreading shrub 0.3–0.4 m high, 1 m wide; young stems terete, white or green to yellowish, hirsute with dense, spreading, unequally biramous and scattered linear multicellular hairs. Leaves unifoliolate; stipules narrowly triangular to subulate, 2–3.5 mm long, pubescent, persistent; petiole 2–5.5 mm long; rachis terete, or slightly furrowed; multicellular hairs at point of articulation sparse, inconspicuous, orange or red, pointed linear. Leaflet with conspicuous stipellae 1–2 mm long; lamina ovate to elliptic, 10–28 mm long, 6–16 mm wide; upper surface pale grey to green, with moderately dense, spreading hairs; lower surface grey to green, paler than above, with moderately dense, spreading hairs; apex acute or obtuse and mucronate; veins prominent below. Inflorescences 35–90 mm long, longer than leaves; peduncle 2–7 mm long; bracts narrowly triangular, 1.5–2 mm long; flowers pink to purple, pedicel 0.5–0.8 mm long. Calyx 2.5–3.9 mm long, with subequal lobes longer than the length of the tube and moderately dense, white, spreading hairs. Standard purple or pinkish mauve, broadly elliptic to orbicular 4.5–5.5 mm high, 4–5 mm wide. Wings spathulate, 4–5 mm long, 1–1.5 mm wide. Keel 4.5–5.5 mm long, 1.5 mm deep; lateral pockets 0.5 mm long; apex acute; hairs moderately dense, hyaline to white, at the tip and along the bottom. Staminal tube 3–3.5 mm long, colourless. Ovary densely hairy. Pods descending to deflexed, terete, 8–12 mm long, 2.5–3 mm deep, brown, hirsute; hairs moderately dense, spreading; apex shortly pointed, the style sometimes persisting; endocarp spotted; seeds cuboid, 4 per fruit.
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