Publication: Gesamtbeschr. Kakt. 578. 1898 as Mamillaria
Description
Solitary or clumping
Stems: Depressed globose with apex strongly sunken and woolly, up to 10 cm tall, 17 cm in diameter,.
Tubercles: Pyramidal, four-angled, with latex, axils woolly.
Central spines: 4-6, robust, straight or more or less curved,dark yellow, becoming brownish
with age, to 20 mm long, lowermost one longest.
Radial spines: 7-12, needle-like, white, to 3 mm long.
Flowers: Yellowish green, to 15 mm in diameter.
Fruits: Pink to greenish.
Seeds: Brown.
Origin and Habitat
Guanajuato, Durango, San Luis Potosi, and Queretaro, Mexico.
From llifle page Mammillaria ocotillensis
Origin and Habitat
Querétaro (Mexico, Northern America)
Source: Mammillaria ocotillensis, LLIFLE - Encyclopedia of living forms, CC-BY-SA, retrieved 2026-10-25.
From llifle page Mammillaria ocotillensis var. longispina
Origin and Habitat
Distribution: Querétaro (Mexico, Northern America)
Source: Mammillaria ocotillensis var. longispina, LLIFLE - Encyclopedia of living forms, CC-BY-SA, retrieved 2026-10-25.
