USA, Arizona, Gila, S. of Theodore Roosevelt Lake, 2.7 road-miles S. of Highway 88 (turnoff to School House Borrow Pit), near Black Brush Headquarters (=Two Bar Ranch of U.S.G.S. map) 0.8 trail-miles from the Headquarters, along jeep trail toward conspicuous windmill. Probably in w. 1/2 of w. 1/2 of Section 13.
33.51522 -110.86631 +-5000m.
884 meters
2900ft
Gravelly bajada of granitic mountains; brushy Sonoran Desert with chaparral species in arroyos, and much turpentine bush.
Locally dominant shrublets 2 to 4 dm. tall; none in bloom.