Species Description – Result


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Mammillaria grusonii

  • First description by Runge, Gartenflora 38: 105 with fig. (1889)

  • Body: Plants usually solitary. Stems globose to thick cylindrical, light green, to 25 cm (9.8 in) in diameter.
  • Roots:
  • Sap: With latex.
  • Tubercule arrangement:
  • Tubercule: Four-angled.
  • Axil: Woolly at first, later naked.
  • Radial spine: 12 – 14, straight, upper ones shorter, 6 – 8 mm (0.3 in) long.
  • Central spine: Usually 2, straight, one ascending, one descending, 4 – 6 mm (0.2 in) long.
  • Flower: Bell shaped, light yellow, to 25 mm (1 in) long and in diameter.
  • Fruit: Scarlet.
  • Seed: Brown.
  • Flowering period in Cultivation (Europe):
  • Minimum temperature:
  • Habitat Substrate:
  • Geographic Distribution: Coahuila and Durango, Mexico. Altitude 800 – 1.850 m.
  • Comments:
  • Bibliography:
    John Pilbeam (1999) – Mammillaria The Cactus File Handbook – page 117-118.

    Edward F. Anderson (2001) – The Cactus Family – page 420.
  • Synonymes:
    M. durangicola

    M. mexicensis (?)

    M. pachycylindrica

    M. papasquiarensis

    M. tesopacensis var papasquiarensis

    M. zeyeriana

Pictures

Picture in the galery related to the keyword :

grusonii


Mammillaria Grusonii/Mammillaria grusonii (syn. M. durangicola) – Photo Francois.jpg


Mammillaria Grusonii/Mammillaria grusonii (syn. M. durangicola) – Rep545 – GK4398-96 – Photo Aymeric de Barmon.jpg


Mammillaria Grusonii/Mammillaria grusonii (syn. M. pachycylindrica ) – Photo Hugo De Cock.jpg


Mammillaria Grusonii/Mammillaria grusonii (syn. M. papasquiarensis) – ML 634 – Photo Michel Lacoste.jpg


Mammillaria Grusonii/Mammillaria grusonii (syn. M. papasquiarensis) – ML 636 – Photo Michel Lacoste.jpg


Mammillaria Grusonii/Mammillaria grusonii (syn. M. papasquiarensis) – ML 636-1 – Photo Michel Lacoste.jpg


Mammillaria Grusonii/Mammillaria grusonii (syn. M. zeyeriana ) – Photo Hugo De Cock.jpg


Mammillaria Grusonii/Mammillaria grusonii – ML 537 – Photo Michel Lacoste.jpg


Mammillaria Grusonii/Mammillaria grusonii – ML 543 – Photo Michel Lacoste .jpg


Maps Distribution/Mammillaria grusonii (syn. M. pachycylindrica) – distribution map.jpg


Maps Distribution/Mammillaria grusonii – distribution map.gif