Shrub 0.3–1.5 m high. Branchlets pilose. Leaves subsessile, (3) 5–9-foliolate, 1–2 cm long, sparsely pilose to glabrous; leaflets thick, linear to narrowly oblong-cuneate, 5–8 mm long. Flowers solitary, axillary, pendulous to erect forming leafy panicles; pedicel slender, 3–5 mm long. Sepals ovate, 2–3 mm long, obtuse to acuminate, glabrous. Petals broadly obovate, 5–8 mm long, rounded at apex, glabrous, yellow (rarely red in subsp. calcicola). Disc undulate, puberulous or glabrous. Stamens: filaments 0.5–1 mm long; antisepalous filaments verrucose, with vestigial anthers; antipetalous filaments smooth, with anthers 0.4 or 0.8 mm long, reddish brown. Ovary puberulous or glabrous, sunken into disc; stigma sessile, cushion-shaped, 1–2 mm diam., cross-shaped with 4 broad truncate or obcordate lobes.
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