Collected
23 July 2004.
Arizona, United States
Locality: Pinal Co. Northeast of Oracle on road to San Manuel between N 32? 36' 008"/W 110? 42' 109" and N32? 36' 074"/W110? 40' 638 on N bajada of Santa Catalina Mts.
Environment description: Sandy to clay soils of hills and arroyos.
Number of plants sampled: 24