subg. Mammillaria sect. Cylindricothelae series Bombycinae
Common Name: Silken Pincushion
Family: Cactaceae Juss.
Country of Origin: Mexico - Aguascalientes and Jalisco
Habitat: Altitude 2340 to 2500 m.
Description: Plants often forming clumps to 80 cm (31 in) wide. Stems depressed globose to club shaped, bright green, 7 - 14 cm (2.8 - 5.5 in) high, 5 - 6 cm (2 - 2.4 in) in diameter. Tubercules conical to cylindrical, firm. Axil with dense wool and bristles. Radial spines 30 - 64, stiff, thin, needle-like, glassy white, to yellowish white to 8 mm (0.3 in) long. Central spines 3 - 8, yellow with dark tips, or reddish brown, lowermost one hooked and to 20 mm (0.8 in) long, others straight and to 11 mm (0.4 in) long. Flowers funnelform, pink to white, to 15 mm (0.6 in) long and in diameter. Fruit pale pinkish green. Seeds dark reddish brown, with partially lateral hilum.
USDA Zone: 10
Accession # 199200053
Source: Andy Indars
Accession Date: 12-31-1992
Bench: 2211 - XER:Chihuahuan-Tehuacan Deserts
Currently: active - healthy
Qty: 2 confirmed on 10-18-2018
IUCN Red List: Species Vulnerable or Habitat Critically Threatened