Species Description – Result

Mammillaria tonalensis

First description by Hunt, Cact. Succ. J. (GB) 41(4): 103 (1979)
Body: Plants freely clustering from offsets. Stems erect or sprawling, slender, cylindrical, light green, to 12 cm (4.7 in) or more high, 2 – 3.5 cm (0.8 – 1.4 in) in diameter.
Roots: Fibrous.
Sap:
Tubercule arrangement:
Tubercule: Obtusely conical.
Axil: Naked or slightly woolly.
Radial spine: 9 – 12, needle-like, straight, chalky white with brown tips, to 10 mm (0.4 in) long.
Central spine: 1, hooked, chestnut brown, becoming dark with age, to 18 mm (0.7 in) long.
Flower: Carmine with whitish margins, to 15 mm (0.6 in) long, 10 – 12 mm (0.4 – 0.5 in) in diameter.
Fruit: Bright red.
Seed: Black.
Flowering period in Cultivation (Europe):
Minimum temperature:
Habitat Substrate:
Geographic Distribution: Oaxaca, Mexico. Altitude 1.000 – 1.400 m.
Comments:
Bibliography:
John Pilbeam (1999) – Mammillaria The Cactus File Handbook – page 293.

Edward F. Anderson (2001) – The Cactus Family – page 447.
Synonymes:

Picture in the galery related to the keyword :

tonalensis