Asclepias arenaria

A broad-leaved Asclepias similar to A. latifolia but with pubescent leaves. Also like that species, the flowers are heavily visited by tarantula hawks (genus Pepsis). Found, as the name suggests, primarily on sand.

Plant habit at White Sands, 13 Jul 2007.

Inflorescence with tarantula hawk, at White Sands, 13 Jul 2007.

Flowers at White Sands, 13 Jul 2007.

A upper cauline leaf at White Sands, 13 Jul 2007.