Synomys description – Result

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Mammillaria hamiltonhoytea

  • First description by Bravo, Anales del instituto de biologia 2 : 130 – 131. 1931

  • Body: Solitary, rarely clumping, flattened globose with sunken apex, to 18 cm in diameter, olive-green body.
  • Roots: Fibrous.
  • Sap: With latex.
  • Now referred to: petterssonii
  • Tubercule: Conical, 15 mm long and 10 – 15 mm wide.
  • Axil: Only in youth with feltlike wool, later naked.
  • Radial spine: 3 – 8, needle-like, 3 – 10 mm long, straight, smooth, the uppermost the shortest and thinest, white to whitish yellow with dark tip
  • Central spine: 1 – 4, mostly 3 – 4, needle – like, straight, the lowest the longest and slightly curved, 8 – 40 mm long.
  • Flower: Carmine-pink with darker midstripe, funnelform , 20 mm long and 25 – 30 mm in diameter. Flowers have a light perfume.
  • Fruit: Club-shaped, dark red, 10 – 20 mm long and 4 – 7 mm wide.
  • Seed: Club-shaped, 1,0 mm long, 0,8mm wide, brown. Hilum subbasal.
  • Flowering period in Cultivation (Europe): April – mai.
  • Minimum temperature: 5 – 10?C.
  • Habitat Substrate: Between cleavage rocks in black humus soil.
  • Geographic Distribution: Mexico, Queretaro, near Los Trigos in Cerro Zamorano. Altitude 2400 – 3200 m.
  • Comments: hamiltonhoytea has less of central spines, more radial spines, rarely clumping and a bit bigger body than petterssonii.
  • Bibliography: AfM – LBS Lieferung 2000 Linzen.

Pictures

Picture in the galery related to the keyword :

hamiltonhoytea


Mammillaria Pettersonii/Mammillaria pettersonii (syn. M. hamiltonhoytea ) – Photo Hugo De Cock.jpg


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