Commicarpus plumbagineus, (Cav.) Standley

1. C. plumbagineus (Cav.) Standley View in CoL , Contr. U.S. Nat. Herb. 18: 101 (1916)

( Boerhavia plumbaginea Cav. ).

Stems up to 70 cm, woody, geniculate, straggling or procumbent, with long internodes. Leaves c. 3 x 2 cm, deltate to ovate, stalked, puberulent beneath. Flowers in small, long-pedunculate, axillary umbels, sometimes with a whorl of flowers on the peduncle. Bracts 1 or 2, very small. Perianth c. 13 x 6 mm, pubescent, sharply differentiated into a lower blackish portion surrounding the ovary, and an upper portion, white or pale pink, narrowly tubular below and gradually expanded into a flat limb with 5 emarginate lobes; at the junction of the two portions are 5 black tubercles. Stamens and style exserted. Anthocarp 8 mm, obconical, striate, glandular-tuberculate. Rocky and stony places. S.E. Spain (hills near Orihuela). Hs. (S. W. Asia and tropical Africa.)