Xerophyte

Habit

It is a small low growing crested cactus that will slowly forms tangled groups up to 25 cm in diameter.

Central Spines

1 or 2, ascending, dark red, 11-14 mm long, lowermost one hooked.

Seeds

Brownish black.

Description

The standard Mammillaria perezdelarosaeSN|18544]]SN|11894]] is a well known small cactus with smallish stems densely covered with curious bicoloured spines. It combines clean, glassy white radial spines with hooked dark-brown centrals. It is one of the more beautiful Mammillaria. The crested form (Mammillaria perezdelarosae f. cristataSN|11894]]SN|18544]]) - despite to its beauty - is still very rare and sought after by collectors, for its unique features.

Tubercles

Conical with rounded tips. Axil with bristles.

Flowers

Greenish white, cream to light pink, with a slightly darker midstripe are up to 20 mm long and 2,5 cm in diameter.

Blooming Season

Flowers come in late winter.

Stem

Fan-shaped about 3,5 thick, bright dark green. Usually without latex.

Radial Spines

30-60, pectinately arranged, needle- to hair-like, white with yellowish bases, 2-3,5 mm long.

Fruits

Red.