USA, Arizona, Pima 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 1940 0421 0106; originally received as a plant collected by DBG staff some time between May 1939 and May 1940 from Arizona, near Tucson, at Twin Buttes.
31.912993 -111.048217 +-924m. WGS84
Flowers collected at 1:45 PM, diameter 63-80 mm, length 82-94 mm; outer perianth yellow-green with darker green midstripe, some with a red blush on each side of midstripe; inner perianth yellow; fleshy spines and glochids on outer base of flower; stigma lobe number 6-7, greenish-yellow; Fruit collected by Rosemary Trelease and Nancy Foisy, 20 September 2005; fleshy fruit diameter 20-27 mm, length 42-54 mm, magenta and yellow-green; dry fruit diameter 17 mm, length 40 mm, golden; seeds light brown, diameter 4 mm.