Richardia Kunth >
Calyx 6-lobed. Stems mostly more than 15 cm long. Mericarps 3
Mericarps with short papillae; adaxial face with a narrow groove, 2–4 mm long. Leaves elliptic to obovate up to 7 cm long. Flowers c. 20 or more per head. Corolla 6-lobed; tube 2–5 mm long. Decumbent to erect annual with stems up to c. 80 cm long. Coast. Weed. Uncommon. Introd. from S. America. Fl. spring–summer Richardia scabra