Species Description – Result


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Mammillaria mercadensis

  • First description by Patoni, Bol. Alianza Cient. Univ. Durango 1: 54 (1910)

  • Body: Plants solitary and clustering. Stems flattened globose to globose, olive green to dark green, to 8 cm (3.1 in) in diameter.
  • Roots:
  • Sap: Latex often present at flowering time.
  • Tubercule arrangement: 8 – 13
  • Tubercule: Tubercules conical to short cylindrical.
  • Axil: Without bristles, sparsely woolly.
  • Radial spine: 13 – 35, white to yellow, variably finely pubescent, 6 – 9 mm (0.2 – 0.4 in) long.
  • Central spine: 1 – 7, awl shaped, yellow to deep red to reddish brown, with lighter bases, to 14 mm (0.6 in) long, with one, occasionally two hooked.
  • Flower: Variable, bell shaped, more deep set, very pale magenta to magenta, 10 – 20 mm (0.4 – 0.8 in) long and in diameter.
  • Fruit: Usually club shaped, reddish green.
  • Seed: Brownish black, finely pitted.
  • Flowering period in Cultivation (Europe):
  • Minimum temperature:
  • Habitat Substrate:
  • Geographic Distribution: Durango, Jalisco, Guanajuato and Zacatecas, Mexico. Altitude about 2.000 m.
  • Comments:
  • Bibliography:
    John Pilbeam (1999) – Mammillaria The Cactus File Handbook – page 191.

    Edward F. Anderson (2001) – The Cactus Family – page 431.
  • Synonymes:

Pictures

Picture in the galery related to the keyword :

mercadensis


Mammillaria Guillauminiana/Mammillaria guillauminiana (syn mercadensis var guillauminiana)- Photo Luc .jpg


Mammillaria Mercadensis/Mammillaria mercadensis – L696 – SW9320-93 – Photo Aymeric de Barmon.jpg


Mammillaria Mercadensis/Mammillaria mercadensis – Photo Josef Matousek.jpg


Mammillaria Nazasensis/Mammillaria nazasensis ( syn M. mercadensis) SB489 – Photo – Marion LENNOZ.jpg


Maps Distribution/Mammillaria mercadensis – distribution map.gif