Glabrous shrub to 2 m high. Branches slender. Leaves usually trifoliolate, rarely simple or pinnate; petiole 1–2 cm long; leaflets linear, 2–3 cm long. Flowers axillary, solitary, ± pendulous; pedicel c. 1 cm long, slender, turbinate above. Sepals suborbicular, 2–3 mm long, apiculate, coriaceous. Petals suborbicular, c. 8 mm long, puberulous on adaxial surface, deep pink to red. Disc flat, glabrous. Stamens: filaments glabrous; antisepalous anthers large, c. 1.2 mm long, black, sterile; antipetalous anthers small, c. 0.5 mm long, fertile. Ovary pilose; stigma sessile, thick, massive, cylindrical, c. 2 mm long, sparsely pilose at base, black.