Plancia ëd Dalea jamesii (Torr.) Torr. & A. Gray

Descrission:

perennial in mat of Selaginella arizonica on boulders at base of exposed cliff faces in a 1/2 mile long, narrow, steep walled, dry, slot canyon cut in flat lying pale, blocky, limestone strata by a intermittent arroyo tributary of Fresnal Creek, and sheltering a richly diverse flora of the remote, poorly accessible region known as Hell's Half-acre.