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Mammillaria bombycina f. monstruosa white clone hort.

Family: CACTACEAE · Variety or form of Mammillaria bombycina

Description

This is a monstrous form that cluster aggressively and can form 20 cm wide, gorgeous white mounds as it matures.

Stems: Small globose, bright-green to grey-green, up to 2 cm in diameter.

Tubercles: Conical to cylindrical.

Radial spine: Very numerous 1-2 mm long, glassy white, stiff, thin, needle-like, pectinately arranged, that almost conceal the epidermis.

Axil: Filled in white short wool that confer the plant a fluffy appearance.

Central spine: Usually 1, white with dark reddish tip slightly hooked downwards 2-4 mm long.

Flower: Not Seen.

Origin and Habitat

Garden origin (Nursery produced cultivar)

Cultivation and Propagation

Water regularly in summer, but do not over-water (rot prone). Use a pot with good drainage and a very porous potting media. Keep dry in winter. Feed with a high potassium fertilizer in summer. It is quite frost-resistant if kept dry, hardy as low as -5° C. Outside full sun or afternoon shade, inside it needs bright light, and some direct sun.

Propagation: Grafting, division of larger clumps.