Decumbent to spreading, annual or perennial herb or subshrub, 0.05–0.45 m high, with woody rootstock or taproot; young stems ridged, green, strigose with moderately dense, appressed to shortly spreading, equally biramous hairs. Leaves simple; stipules linear, 1.2–3.5 mm long, glabrescent, not persistent; petiole 1–2 mm long. Lamina obovate to elliptic, rarely narrowly elliptic or narrowly ovate, (5–) 10–25 (–40) mm long, (3–) 5–10 (–17) mm wide; upper surface green, glabrous or with sparse, appressed hairs; lower surface green, paler than above, with sparse, appressed hairs; apex obtuse and apiculate; veins not prominent. Inflorescences 5–35 (–80) mm long, shorter than or equal to leaf, rarely longer; peduncle 1–10 (–20) mm long; bracts triangular to ovate, 0.7–2 mm long, often persistent; flowers pink to purple, pedicel 0.5–2 mm long. Calyx 2.2–3 (–3.8) mm long, with subequal lobes longer than the length of the tube and moderately dense, white, appressed, rarely shortly spreading hairs. Standard pink to purple, suborbicular, 4.8–6.5 mm high, 4–5.5 mm wide. Wings narrowly obovate, 5–6.5 mm long, 1.5–2.5 mm wide. Keel 5–6 mm long, 1.5–2.5 mm deep; lateral pockets 0.6–1 mm long; apex acute; hairs sparse to moderately dense, hyaline to white; margin ciliate. Staminal tube 3–4.5 mm long, colourless. Ovary glabrous or moderately densely hairy when young. Pods ascending to spreading, terete, (8–) 10–25 (–33) mm long, 2 mm deep, brown, strigose to glabrescent; hairs sparse, appressed; apex shortly beaked; endocarp spotted; seeds (4–) 6–8 per fruit.
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