Species Description – Result


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Mammillaria petrophila ssp arida

  • First description by Rose ex Quehl, Monatsschr. Kakteenk. 23: 181 (1913)

  • Body: Plants usually solitary, later forming small clumps of half a dozen stems.. Stems almost globose, gray-green, to 6 – 7 cm high and in diameter.
  • Roots:
  • Sap: With latex.
  • Tubercule arrangement: 8 – 13
  • Tubercule: Short, angled, conical.
  • Axil: With dense white wool.
  • Radial spine: About 15, fine, bristle-like, yellowish tipped brown, 6 – 10 mm long.
  • Central spine: 4 – 7, usually 5 or 6, dark brown, needle-like, 12 to 16 mm long.
  • Flower: Cream to greenish, pale yellow, with dark midveins, outer petals with dull reddish brown to purplish midvein and green margins, stigmas green, about 1 cm long, 2.5 cm in diameter.
  • Fruit: Red.
  • Seed: Brown
  • Flowering period in Cultivation (Europe):
  • Minimum temperature:
  • Habitat Substrate: Rocky hills.
  • Geographic Distribution: Baja California Sur, Mexico. Altitude 10 – 120 m.
  • Comments:
  • Bibliography:
    John Pilbeam (1999) – Mammillaria The Cactus File Handbook – page 223.

    Edward F. Anderson (2001) – The Cactus Family – page 437.
  • Synonymes:
    M. arida

Pictures

Picture in the galery related to the keyword :

arida


Mammillaria Petrophila/Mammillaria petrophila ssp arida (syn M. arida) – ML 721 – Photo Michel Lacoste.jpg


Mammillaria Petrophila/Mammillaria petrophila ssp arida (syn M. arida) – ML 722 – Photo Michel Lacoste.jpg


Mammillaria Petrophila/Mammillaria petrophila ssp arida (syn M. arida) – ML 723 – Photo Michel Lacoste.jpg


Mammillaria Petrophila/Mammillaria petrophila ssp arida – Photo Francesco Marzocca.jpg


Mammillaria Petrophila/Mammillaria petrophila ssp arida – Photo Hugo De Cock 1.jpg


Maps Distribution/Mammillaria petrophila ssp arida – distribution map.gif