10 December 1986.
Arizona, United States
Locality: Arizona, Pinal County. Spontaneous on alluvium of Queen Creek floodplain at Boyce Thompson Southwestern Arboretum, 3 miles west of Superior. 2400 ft elevation
Coordinates: 32.6667, -110.6667
(Map it)
Elevation: 800m.
Habitat: Wild Habitat
Environment description: Alluvium of Queen Cr. floodplain at Boyce Thompson Arb.
Collector(s):