Dalea revoluta
A diffuse, sprawling plant found in the canyons of the Sierra Madre Occidental. Identified by Rich Spellenberg, who says this plant was in some characters intermediate between D. revoluta and D. grayi.
An inflorescence in the Barranca de Batopilas, 22 Mar 2007.
A cauline leaf at Barranca de Batopilas, 22 Mar 2007.
Plant habit, Barranca de Batopilas, 22 Mar 2007.