United States, Arizona, Santa Cruz, Nogales: approx 2.5 km SW along AZ State Route 189 (N Mariposa Rd) from I-19 interchange; between W La Quinta Rd and W Target Range Rd.
31.35076 -110.9617 WGS84
1205 meters (3952ft)
NW-facing weedy hillside along truck route in warehouse and industrial area.
Perennial shrub, 0.8 m; locally common; leaves 1 cm long, fascicled, glabrous above, tomentose below, with revolute margins; tepals white to pink, turning rust-orange.