USA, Arizona, Maricopa County, Maricopa Mountains, Sonoran Desert National Monument, south of highway 237.
32.994817 -112.515267
32d 59.689m N; 112d 30.916m W
396 meters (1299ft)
Rocky northwest-facing slope
Cercidium microphyllum, Ambrosia deltoidea, Ferocactus cylindraceus, F. emoryi, Fagonia laevis, Cylindropuntia acanthocarpa, C. bigelovii, Larrea tridentata, Echinocereus engelmannii.
Occasional, plant ca 1/4 m tall, ribs 20; fruit 24(l)x17(w) mm, 30x21 mm, yellowish-green at base becoming red-maroon with scale margins tan, other fruit red, especially towards top, with cream margins on scales.