Erect shrub 0.2–1 m high; young stems terete or ridged, white or yellowish, tomentose to hirsute with very dense, spreading, equally or unequally biramous hairs. Leaves unifoliolate; stipules linear or subulate, 2–6 mm long, pubescent, not persistent; petiole 3–8 mm long; rachis furrowed, appearing terete; multicellular hairs at point of articulation sparse, inconspicuous, red to brown, club-shaped to pointed-linear. Leaflet lacking stipellae; lamina broadly ovate to obovate or orbicular, (7–) 13–28 mm long, 7–25 mm wide; upper and lower surface white to grey, with dense, spreading hairs; apex obtuse and mucronate; veins prominent below and impressed above. Inflorescences 10–40 mm long, shorter than or rarely longer than leaves; peduncle 0.5–2 mm long; bracts triangular to subulate, 2–3.5 mm long; flowers pink to purple, pedicel 2–3.5 mm long. Calyx 4–7 mm long, with subequal lobes longer, to much longer, than the length of the tube, and dense, white, spreading hairs. Standard purple or pink, ovate to orbicular, 7–10 mm high, 6.5–8.5 mm wide. Wings narrowly obovate or spathulate, 6–8 mm long, 2–3 mm wide. Keel 6–9 mm long, 2–3 mm deep; lateral pockets 1–1.5 mm long; apex acute or rounded; hairs dense, white at the tip and along the bottom; margin ciliate. Staminal tube 4–5.5 mm long, colourless. Ovary glabrous to densely hairy. Pods ascending to descending, terete, (5–) 10–22 mm long, 3–4 mm deep, white, tomentose or hirsute; hairs dense, spreading; apex shortly pointed, the style often persisting; endocarp spotted; seeds 4 or rarely 5 per fruit.
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