Species Description – Result


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Mammillaria dioica

  • First description by K. Brandegee, Erythea 5: 115 (1897)

  • Body: Plants solitary to clustering, sometimes branching. Stems cylindrical, blue-green, rounded apically, 10 – 25 cm and up to 33 cm (13 in) high, 3 – 7 cm (1.2 – 2.8 in) in diameter.
  • Roots:
  • Sap: Without latex.
  • Tubercule arrangement:
  • Tubercule: Tubercules firm, short cylindrical.
  • Axil: With wool and 4 – 15 bristles as long as the tubercules.
  • Radial spine: 11 – 22, needle-like, straight, white, 5 – 7 mm (0.2 – 0.3 in) long.
  • Central spine: 1 – 4, sometimes absent, brown to brownish-black, needle-like, erect, stout, lowermost one hooked, upper ones straight, ascending, like the radials, 8 – 15 mm (0.3 – 0.6 in) long.
  • Flower: Funnelform, imperfectly unisexual, occuring on functionally dioecious plants, white to yellowish white, sometimes with red midstripe, 10 – 30 mm (0.4 – 1.2 in) long.
  • Fruit: Club shaped or ovoid, scarlet.
  • Seed: Black.
  • Flowering period in Cultivation (Europe):
  • Minimum temperature:
  • Habitat Substrate:
  • Geographic Distribution: California, USA and Baja California Peninsula and Sonora, Mexico.
  • Comments: Difficult, requiring the very best drainage.
  • Bibliography:
    John Pilbeam (1999) – Mammillaria The Cactus File Handbook – page 88.

    Edward F. Anderson (2001) – The Cactus Family – page 415.
  • Synonymes:

Pictures

Picture in the galery related to the keyword :

dioica


Mammillaria Dioica/Mammillaria dioica – Photo Hugo De Cock.jpg


Mammillaria Dioica/Mammillaria dioica – Photo Norman Dennis.jpg


Mammillaria Dioica/Mammillaria dioica – SB1262 – MG621-45-97 – Photo Aymeric de Barmon.jpg


Maps Distribution/Mammillaria dioica – distribution map.gif


Monstruosous And Cristate/Mammillaria dioica cristata – Photo Jordi 2.jpg


Monstruosous And Cristate/Mammillaria dioica cristata – Photo Jordi.jpg