USA, Arizona, Pinal County, North of Cochran and Gila River along Arizona Trail Passage 16 Gila River Canyons as trail turns north at the beginning of the Canyons segment.
Succulent perennial cactus. Floral measurements based on fresh material: 50 mm (l) x 38 mm (w), 50 mm x 46 mm, 40 mm x 50 mm, 45 mm x 40 mm, 48 mm x 40 mm, 41 mm x 43 mm, 50 mm x 50 mm; outer perianth yellow green with maroon tips and midvein, inner perianth glossy yellow, filaments dark maroon, style cream-light yellow, style lobes cream-light yellow-green, anthers light yellow, inner perianth 25 mm (l) x 16 mm (w), spathulate.