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Mammillaria dixanthocentron

First description by Backeberg, Descr. Cact. Nov. 3: 8 (1963)

Body: Plants solitary. Stems globose to short cylindrical to 20 cm (7.9 in) high, 7 - 8 cm (2.8 - 3 in) in diameter.

Roots:

Sap: Without latex.

Tubercule arrangement:

Tubercule: Cylindrical.

Axil: With scant wool at first, later with curly wool.

Radial spine: 19 - 20, thin, white, 2 - 4 mm long.

Central spine: 2 - 4, yellow, becoming brownish or whitish, with dark tips, upper one to 5 mm long, lower 15 mm (0.6 in) long.

Flower: Small, light red to pale pinkish red.

Fruit: Yellow below, orange above.

Seed: Brown.

Flowering period in Cultivation (Europe):

Minimum temperature: -2? C.

Habitat Substrate:

Geographic Distribution: Oaxaca and Puebla, Mexico. Altitude 500 - 2.000 m.

Comments: No special treatment is needed, but growth slows down with maturity, and watering and fertilizing should be reduced accordingly. Bright light will encourage the best growth of spines.

Bibliography:
John Pilbeam (1999) - Mammillaria The Cactus File Handbook - page 92.
Edward F. Anderson (2001) - The Cactus Family - page 415.

Synonymes:
M. dixanthocentron var rubrispina