Species Description – Result


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Mammillaria sheldonii

  • First description by Britton & Rose, The Cact. 4: 156 (1923)

  • Body: Plants branching basally to form clumps. Stems slender cylindrical, dull green, often becoming reddish, 8 – 20 cm (3.1 – 7.9 in) high, to 6 cm (2.4 in) in diameter.
  • Roots:
  • Sap: Without latex.
  • Tubercule arrangement: 8 – 13
  • Tubercule: Cylindrical, four-sided basally, keeled.
  • Axil: Without wool, but sometimes with a few bristles.
  • Radial spine: 9 – 24 with 1 – 2 placed subcentrally, white with dark tips, 6 – 8 mm (0.2 – 0.3 in) long.
  • Central spine: 1 – 4, stout, to 15 mm (0.6 in) long, lower one elongated and either straight or hooked.
  • Flower: Often open several days, wide funnelform, light purplish pink with pale margins to nearly white, to 20 mm (0.8 in) long and in diameter.
  • Fruit: Club shaped, pale scarlet, 25 – 30 mm (1 – 1.2 in) long.
  • Seed: Black.
  • Flowering period in Cultivation (Europe):
  • Minimum temperature: -2? C.
  • Habitat Substrate:
  • Geographic Distribution: Chihuahua and Sonora, Mexico. Altitude up to 1.200 m.
  • Comments:
  • Bibliography:
    John Pilbeam (1999) – Mammillaria The Cactus File Handbook – page 271.

    Edward F. Anderson (2001) – The Cactus Family – page 442.
  • Synonymes:
    M. alamensis

    M. gueldemanniana

    M. guirocobensis

    M. inae / iniae

    M. marnierana

    M. swinglei

    M. swinglei var diabloa

Pictures

Picture in the galery related to the keyword :

sheldonii


Mammillaria Sheldonii/Mammillaria sheldonii ( goodridgei )- Photo Willy .jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn M. swinglei) – ML 727 – Photo Michel Lacoste.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn M. swinglei) – ML 730 B – Photo Michel Lacoste.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn M. swinglei) – ML 736 – Photo Michel Lacoste.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn M. swinglei) – ML 737 – Photo Michel Lacoste.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn M. swinglei) – ML 738 – Photo Michel Lacoste.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn M.swinglei) – ML 735 – Photo Michel Lacoste.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn. M. alamensis) – Photo Franck Martin – Collection du Jardin Exotique de Monaco.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn. M. alamensis) Photo Hugo de Cock.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn. M. gueldemanniana) – Photo Hugo De Cock 2.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn. M. gueldemanniana) – Photo Hugo de Cock.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn. M. inaiae) – Photo Hugo de Cock.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn. M. marnierana )- DH – Photo Aymeric de Barmon.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn. M. marnierana) – Photo Hugo De Cock.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn. M. swinglei) – Photo Norman Dennis.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn. M. swinglei) – Photo Franck Martin.jpg


Mammillaria Sheldonii/Mammillaria sheldonii (syn. M. swinglei) – Photo Willy Bovis.jpg


Mammillaria Sheldonii/Mammillaria sheldonii – ML 731 – Photo Michel Lacoste.jpg


Mammillaria Sheldonii/Mammillaria sheldonii – Photo Andrea B.jpg


Mammillaria Sheldonii/Mammillaria sheldonii – Photo Luc.jpg


Mammillaria Sheldonii/Mammillaria sheldonii – Photo Norman Dennis 2.jpg


Mammillaria Sheldonii/Mammillaria sheldonii – Photo Norman Dennis 3.jpg


Mammillaria Sheldonii/Mammillaria sheldonii – Photo Norman Dennis.jpg


Mammillaria Sheldonii/Mammillaria sheldonii – Photo Willy.jpg


Mammillaria Sheldonii/Mammillaria sheldonii – Photo Franck Martin – Collection du Jardin Exotique de Monaco.jpg


Mammillaria Sheldonii/Mammillaria sheldonii – Photo Luc.jpg


Maps Distribution/Mammillaria sheldonii (syn. M. gueldemanniana) – distribution map .jpg


Maps Distribution/Mammillaria sheldonii – distribution map.gif