USA, Arizona, Maricopa 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 1966 8297 0102; originally received as a plant collected by Fred Eldean between 8 March and 11 April 1966, from Arizona, Maricopa County, Shea Blvd extension fo Beeline Highway right of way; originally received as Mammillaria microcarpa, name changed per CITES CAC Checklist.
Flower diameter 31-43 mm, length 30-33 mm, outer perianth light pink with reddish-green midstripe all the way to the tip, inner perianth light pink with hot pink midstripe all the way to the tip; stigma lobe number 8-9, color yellow green, flowers collected mid-morning; stem color gray-green; spines arranged with one center, hooked spine that is dark reddish-charcoal surrounded by white spines with charcoal tips