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Mammillaria heyderi ssp hemisphaerica

  • First description by Engelmann, Boston J. Nat. Hist. 6: 198 (1850 – as M. Hemisphaerica.

  • Body: Plants solitary. Stems flattened globose, 8 – 12 cm in diameter.
  • Roots:
  • Sap:
  • Tubercule arrangement:
  • Tubercule:
  • Axil: Nearly naked.
  • Radial spine: 9 – 13, thin, needle-like, the lower stronger, 2 – 8 mm long, brownish or grey, often with black tips.
  • Central spine: 1, brown with black tip, 3 – 4 mm long, or occasionally up to 8 mm.
  • Flower: Cream to dusty pink, 10 – 15 mm long. Stigmas greenish yellow.
  • Fruit: Red.
  • Seed: Reddish brown.
  • Flowering period in Cultivation (Europe):
  • Minimum temperature:
  • Habitat Substrate:
  • Geographic Distribution: Texas, USA; Coahuila, Nuevo Leon and Tamaulipas, Mexico.
  • Comments:
  • Bibliography:
    John Pilbeam (1999) – Mammillaria The Cactus File Handbook – page 139.
    Edward F. Anderson (2001) – The Cactus Family – page 423.
  • Synonymes:
    M. hemisphaerica

    M. heyderi var waltheri

    M. waltheri

Pictures

Picture in the galery related to the keyword :

hemisphaerica


Mammillaria Heyderi/Mammillaria heyderi ssp hemisphaerica – Photo Hugo De Cock 2.jpg


Mammillaria Heyderi/Mammillaria heyderi ssp hemisphaerica – Photo Hugo De Cock.jpg


Maps Distribution/Mammillaria heyderi ssp hemisphaerica – distribution map.gif