Species Description – Result


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Mammillaria petrophila ssp baxteriana

  • First description by Gates, Cact. Succ. J. (US) 6(1): 3 (1934)

  • Body: Plants solitary, rarely clustering. Stems depressed globose, gray-green, to 10 cm high and in diameter.
  • Roots:
  • Sap: With latex.
  • Tubercule arrangement: 8 – 13
  • Tubercule: Short, angled, conical.
  • Axil: With short white wool.
  • Radial spine: 8 – 10, slender, stiff, needle-like, brown, with dark tips sometimes in youth, to 15 mm (0.4 in) long.
  • Central spine: Usually 1, needle-like, white with brown tip ageing to white, 15 – 20 mm long.
  • Flower: Yellow with light reddish stripes on the outer petals, stigmas pale yellow.
  • Fruit: Purple red.
  • Seed: Brown
  • Flowering period in Cultivation (Europe):
  • Minimum temperature:
  • Habitat Substrate:
  • Geographic Distribution: Baja California Sur, Mexico.
  • Comments:
  • Bibliography:
    John Pilbeam (1999) – Mammillaria The Cactus File Handbook – page 223.

    Edward F. Anderson (2001) – The Cactus Family – page 436.
  • Synonymes:
    M. baxteriana

    M. marshaliana

    M. pacifica

Pictures

Picture in the galery related to the keyword :

baxteriana


Mammillaria Petrophila/Mammillaria petrophila ssp baxteriana (syn M. baxteriana) – ML 698 – Photo Michel Lacoste.jpg


Mammillaria Petrophila/Mammillaria petrophila ssp baxteriana (syn M. baxteriana) – ML 699 – Photo Michel Lacoste.jpg


Mammillaria Petrophila/Mammillaria petrophila ssp baxteriana (syn M. baxteriana) – ML 704 – Photo Michel Lacoste.jpg


Mammillaria Petrophila/Mammillaria petrophila ssp baxteriana (syn M. baxteriana) – ML 705 – Photo Michel Lacoste.jpg


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


Mammillaria Petrophila/Mammillaria petrophila ssp baxteriana – Photo Norman Dennis 2.jpg


Mammillaria Petrophila/Mammillaria petrophila ssp baxteriana – Photo Norman Dennis.jpg


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