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.
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.
Rare shrubs (2 seen), 1.5 to 2 m. tall, in arroyo.