USA, Arizona, Yavapai County, Maricopa County: Grown in cultivation at Desert Botanical Garden, Phoenix, N 33 deg 27' 33'', W 111 deg 56' 35'', 1200 ft., 366 m: accession number 1991 0240 0101; originally received as a plant collected by DBG staff as part of the salvage project at the Lake Pleasant area, 13 March 1991; Section 30 T7N R1E; Upper Sonoran Vegetative Zone with Ferocactus cylindraceus, Ambrosia deltoidea, Larrea tridentata, Cercium microphyllum, Opuntia bigelovii, Canotia holacantha, Fouquieria splendens, Calliandra eriophylla, Viguiera deltoidea, Mammillaria grahammii, Echinocereus engelmannii, Opuntia acanthocarpa, Opuntia fulgida, Opuntia leptocaulis, Carnegiea gigantea, Simmondsia chinensis, Lycium, Eriogonum, Sphaeralcea, Ephedra.
33.9204 -112.2996 +-969m.
TRS: T7N R1E S30
Stem color dusty gray-green; one dark reddish-brown hooked spine, axial spines white; flowers collected late morning, flower diameter 31-36 mm, length 25-27 mm, outer perianth white with broad reddish-green midstripe, inner perianth white with broad magenta midstripe; stigma lobe number 8 color pale yellow-green.