*Sida acuta Burm.f.

Mericarps 5–7, glabrous. Plants glabrescent. Leaves narrow lanceolate 2–8.5 cm long. Flowers solitary sometimes crowded in leaf axils. Petals 6–9 mm long. Sepals 6 mm long. Fruit 3–5 mm diam., rounded on back. Shrub up to 1.5 m high. Occasional. Introduced from C. America.