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Mammillaria glassii ssp glassii

  • First description by R.A. Foster, Cact. Succ. J. (US) 40(4): 132 (1968)

  • Body: Plants forming clusters. Stems globose, becoming cylindrical, up to 10 cm high, but rarely exceeding 3 cm (1.2 – 3.9 in) in diameter.
  • Roots:
  • Sap: Without latex.
  • Tubercule arrangement:
  • Tubercule: Cylindrical.
  • Axil: With 20 – 30 white bristles to 25 mm (1 in) long or nealy naked.
  • Radial spine: 50 – 60, hairlike, white, interlacing, 10 – 15 mm (0.4 – 0.6 in) long.
  • Central spine: 1, 4 – 7 mm long, erect, straight or hooked, others difficult to distinguish from radials.
  • Flower: Often not opening completely, light pink, to 14 mm (0.6 in) long, 3,5 mm (to 0.9 in) in diameter.
  • Fruit: Green becoming pink, to 20 mm (0.8 in) long.
  • Seed: Black.
  • Flowering period in Cultivation (Europe):
  • Minimum temperature: -6? C.
  • Habitat Substrate:
  • Geographic Distribution: Coahuila, Tamaulipas and Nuevo Leon, Mexico. Altitude 1.450 – 2.250 m.
  • Comments: Readily forms clumps of many small heads. Can tolerate very bright light, and growth and flowering are improved under these conditions. Use very gritty potting mix, and only use the smallest diameter and shortest pot that will accommodate the plant. Careful watering and the use of a covering gravel are good ways to preserve the intensely white spines.
  • Bibliography:
    John Pilbeam (1999) – Mammillaria The Cactus File Handbook – page 110.

    Edward F. Anderson (2001) – The Cactus Family – page 418-419.
  • Synonymes:

Pictures

Picture in the galery related to the keyword :

glassii ssp glassii


Mammillaria Glassii/Mammillaria glassii ssp glassii – ML 461 – Photo Michel Lacoste 1.jpg


Mammillaria Glassii/Mammillaria glassii ssp glassii – ML 461 – Photo Michel Lacoste 2.jpg


Mammillaria Glassii/Mammillaria glassii ssp glassii – Photo Razvan Diaconescu .jpg


Mammillaria Glassii/Mammillaria glassii ssp glassii – Photo Willy Bovis.jpg


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