Mammillarias.net

Mammillaria formosa ssp pseudocrucigera

First description by Craig, Mamm. Handb. 101 (1945)

Body: Solitary. Stems flat-globose, to about 9 cm in diameter.

Roots:

Sap:

Tubercule arrangement:

Tubercule:

Axil: Very dense wool.

Radial spine: 18, often lacking on mature areoles, 1 - 2 mm long.

Central spine: 2 - 6, white, tipped dark brown to black, 3 - 4 mm long.

Flower: Broadly pink stripped with white margins.

Fruit: Bright red.

Seed: Brown.

Flowering period in Cultivation (Europe):

Minimum temperature:

Habitat Substrate:

Geographic Distribution: Queretaro and Guanajuato, Mexico. Altitude about 2.000 m.

Comments:

Bibliography:
John Pilbeam (1999) - Mammillaria The Cactus File Handbook - page 104.
Edward F. Anderson (2001) - The Cactus Family - page 417-418.

Synonymes:
M. pseudocrucigera