Species Description – Result


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Mammillaria petterssonii

  • First description by Hildmann, Deutsche Gartenz. 5: 185 (1886)

  • Body: Plants usually solitary. Stems globose, dull light green, to 12 cm (4.7 in) in diameter.
  • Roots:
  • Sap: With latex.
  • Tubercule arrangement: 13 – 21
  • Tubercule: Large, three-angled.
  • Axil: Woolly
  • Radial spine: 10 or more, stiff, straight, white, 2 – 10 mm (to 0.4 in) long, uppermost shorter and weaker.
  • Central spine: 6 – 7, orange brown, with age becoming whitish with dark tips, 10 – 20 mm (0.4 – 0.8 in) long, lowermost longer.
  • Flower: Pinkish red to white, with reddish midveins, to 25 mm (1 in) long and in diameter.
  • Fruit: Purplish pink.
  • Seed: Brown.
  • Flowering period in Cultivation (Europe):
  • Minimum temperature:
  • Habitat Substrate:
  • Geographic Distribution: Guanajuato and Queretaro, Mexico. Altitude 1.300 – 2.600 m.
  • Comments: This species is capable of forming large clumps, and each head in the clump can be quite large also. There is a range of spine color and length. The longer spined forms offer special challenges, especially when repotting, but their beauty more than compensates for any dangers. Regular repotting is needed, and watering and feeding during the growing season should be appropriate for its rapid growth.
  • Bibliography:
    John Pilbeam (1999) – Mammillaria The Cactus File Handbook – page 224.

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

    M. apozolensis var saltensis

    M. hamiltonhoytea

    M. hamiltonhoytea var fulvaflora

    M. hamiltonhoytea var pilensis

    M. huiguerensis

    M. obscura (?)

    M. pilensis

Pictures

Picture in the galery related to the keyword :

petterssonii


Mammillaria Pettersonii/Mammillaria petterssonii (syn M. apozolensis var saltensis) – Photo Francois.jpg


Mammillaria Pettersonii/Mammillaria petterssonii (syn. M. apozolensis v saltensis) – ML 591 – Photo Michel Lacoste 1.jpg


Mammillaria Pettersonii/Mammillaria petterssonii (syn. M. apozolensis v saltensis) – ML 591 – Photo Michel Lacoste 2.jpg


Mammillaria Pettersonii/Mammillaria petterssonii (syn. M. apozolensis v. saltensis) – ML 591 – Photo Michel Lacoste.jpg


Mammillaria Pettersonii/Mammillaria petterssonii (syn. M. apozolensis) – ML 309 – Photo Michel Lacoste.jpg


Mammillaria Pettersonii/Mammillaria petterssonii – ML 307 – Photo Michel Lacoste.jpg


Mammillaria Pettersonii/Mammillaria petterssonii – ML 311 – Photo Michel Lacoste.jpg


Mammillaria Pettersonii/Mammillaria petterssonii – ML 593 – Photo Michel Lacoste 2.jpg


Mammillaria Pettersonii/Mammillaria petterssonii – ML 593 – Photo Michel Lacoste.jpg


Mammillaria Pettersonii/Mammillaria petterssonii – ML 595 – Photo Michel Lacoste.jpg


Mammillaria Pettersonii/Mammillaria petterssonii – ML 642 – Photo Michel Lacoste.jpg


Mammillaria Pettersonii/Mammillaria petterssonii – Photo Norman Dennis 1.jpg


Mammillaria Pettersonii/Mammillaria petterssonii – Photo Norman Dennis 2.jpg


Maps Distribution/Mammillaria petterssonii (syn. M. hamiltonhoytea) – distribution map.jpg


Maps Distribution/Mammillaria petterssonii – distribution map.gif