*Amsinckia calycina
Corolla pale yellow; lobes 1–2 mm long. Articles less than 3 mm long, not or very weakly transversely wrinkled, brown to black. Leaves oblanceolate to lanceolate, up to 10 cm long. Annual up to 50 cm high. Widespread. Weed of cultivation and waste places. Introd. from S. America. Fl. spring