Species Description – Result


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Mammillaria nana ssp duwei

  • First description by Rogozinski & P.J. Braun, Kakt. and. Sukk. 36(8): 158-164 (1985)

  • Body: Plants solitary, rarely clustering. Stems to 3.5 cm in diameter, 2 – 4 cm high, flat-globose.
  • Roots:
  • Sap:
  • Tubercule arrangement:
  • Tubercule:
  • Axil: Woolly with a little hair.
  • Radial spine: 28 – 36, white, brownish at base, pubescent, 3.5 – 4 mm long.
  • Central spine: Varying from none to 1, 2 or occasionally 4, yellow, hooked, to 8 mm long, pubescent.
  • Flower: Light yellow, about 20 mm long and in diameter.
  • Fruit: Light red to red.
  • Seed: Blackish brown.
  • Flowering period in Cultivation (Europe):
  • Minimum temperature:
  • Habitat Substrate:
  • Geographic Distribution: Guanajuato, Queretaro, Mexico. Altitude 1.800 – 2.000 m.
  • Comments: According to Anderson’s classification, this species is considered as a synonym of M. crinita.
  • Bibliography:
    John Pilbeam (1999) – Mammillaria The Cactus File Handbook – page 203.
  • Synonymes:
    M. duwei

Pictures

Picture in the galery related to the keyword :

duwei


Mammillaria Nana/Mammillaria nana ssp duwei (syn M. duwei) – Photo Luc.jpg


Mammillaria Nana/Mammillaria nana ssp duwei (syn M. duwei) – Photo et plante Francois.jpg


Mammillaria Nana/Mammillaria nana ssp duwei (syn. M. duwei) (Origine Kuentz) – Photo Francois.jpg


Mammillaria Nana/Mammillaria nana ssp duwei (syn. M. duwei) – ML 331 – Photo Michel Lacoste 1.jpg


Mammillaria Nana/Mammillaria nana ssp duwei (syn. M. duwei) – ML 331 – Photo Michel Lacoste 2.jpg


Mammillaria Nana/Mammillaria nana ssp duwei (syn. M. duwei)- Photo Christophe Blanchy.jpg


Mammillaria Nana/Mammillaria nana ssp duwei – Photo Flo Santo 2.jpg


Mammillaria Nana/Mammillaria nana ssp duwei – Photo Flo Santo.jpg


Mammillaria Nana/Mammillaria nana ssp duwei – Photo Hugo De Cock 2.jpg


Mammillaria Nana/Mammillaria nana ssp duwei – Photo Hugo De Cock.jpg


Mammillaria Nana/Mammillaria nana ssp duwei – Photo Norman Dennis.jpg


Mammillaria Nana/Mammillaria nana ssp duwei – Photo Paolo.jpg


Mammillaria Nana/Mammillaria nana ssp duwei – Photo Willy.jpg


Mammillaria Nana/Mammillaria nana ssp duwei clump – 13 cm bulb pot – Photo Norman Dennis.jpg


Maps Distribution/Mammillaria nana ssp duwei – distribution map.gif