Platystemon
(from platys, broad, and stemon, a stamen; alluding to the expanded filaments). ORD. Papaveraceae. A monotypic genus. The species is a pretty, hardy annual, requiring culture similar to that recommended for Papaver.
P. californicus (Californian). Californian Poppy. fl. yellow; sepals three; petals six; peduncles elongated. July and August. l. narrow, entire; lower ones alternate; floral ones often nearly opposite or ternately whorled. h. 1ft. California, 1853. (B. ii. 65; B. M. 3579; B. R. 1679; S. B. F. G. ser. ii. 394.) The variety leiocarpus has smooth carpels. (B. M. 3750, under name of P. leiocarpum.)