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Mammillaria xaltianguensis ssp xaltianguensis

  • First description by Sanchez-Mejorada, An. Inst. Biol. Mex. 44, Bot. sr. (1): 30 (1975)

  • Body: Plants solitary or forming clumps. Stems cylindrical, green, to 20 cm (7.9 in) high, 7 – 8 cm (2.8 – 3.1 in) in diameter.
  • Roots:
  • Sap: With latex in the stem but not in the tubercules.
  • Tubercule arrangement:
  • Tubercule: Slightly four-angled.
  • Axil: With sparse wool and a few bristles, 8 – 12 mm (0.3 – 0.5 in) long, or naked.
  • Radial spine: 16 – 20, bristle-like, translucent white, 5 – 6 mm (0.2 in) long.
  • Central spine: 2 – 4, occasionally hooked, needle-like, purplish brown to yellowish brown, with reddish tips, later whitish, the upper 7 – 8 mm long, the lowest 8 – 12 mm long.
  • Flower: Pale pinkish below, very light green above, outer segments greenish cream below, pale reddish above with creamy margins, to 12 mm long.
  • Fruit: Green, becoming yellow above.
  • Seed: Brown.
  • Flowering period in Cultivation (Europe):
  • Minimum temperature:
  • Habitat Substrate:
  • Geographic Distribution: Guerrero, Michoacan, Mexico. Altitude 500 – 850 m.
  • Comments:
  • Bibliography:
    John Pilbeam (1999) – Mammillaria The Cactus File Handbook – page 309.

    Edward F. Anderson (2001) – The Cactus Family – page 450.
  • Synonymes:
    M. xaltianguensis var aguilensis

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xaltianguensis ssp xaltianguensis


Mammillaria Xaltianguensis/Mammillaria xaltianguensis ssp xaltianguensis – Photo Hugo De Cock 2.jpg


Mammillaria Xaltianguensis/Mammillaria xaltianguensis ssp xaltianguensis – Photo Hugo De Cock.jpg


Maps Distribution/Mammillaria xaltianguensis ssp xaltianguensis – distribution map.gif