Central spine: 1 - 7, reddish brown, 5 - 10 mm (0.2 - 0.4 in) long.
Flower: Funnelform, creamy white to pinkish,, 13 - 22 mm (0.5 - 0.9 in) long, to 15 mm (0.6 in) in diameter
Fruit: Cylindrical, red.
Seed: Reddish brown, with partially lateral hilum.
Flowering period in Cultivation (Europe):
Minimum temperature: -4? C
Geographic Distribution: San Luis Potosi, Mexico. Altitude 1.750 - 2.300 m.
Comments: One of the easiest species to grow and flower, this commonly available plant comes in a wide range of spination, flower color and hair. Easily clustering and easily flowered. Most plants will offset readily, and clumps can be produced in a very few years.