USA, Arizona, Yuma, Yuma Proving Ground, Corral Road, 1/4 mile from junction of Cibola Lake Road.
33.35007 -114.28738 WGS84
419 meters
419 m
Gravelly wash.
Acacia greggil, Muhlenbergia porteri and Cercidium sp.
Common shrub, 0.5-1.0 m tall, corolla purple, calyx red-purple within, upper petals free, barbs on spines of fruit in cluster at apex; plant intricately branched, thorny, silky tomentose on new growth.