Xerophyte

Central Spines

6-10, raylike and addpressed against the radials, a little stouter, feathery, yellow that turn white.

Seeds

Black.

Description

Mammillaria schiedeana var. plumosaSN|25293]]SN|25293]] is a white spined form with slightly different soft interwoven spination. It is solitary to densely caespitose. The size and shape of the stems is somewhat variable from small evenly flattened rounded tops merging together very low to the ground, to form even mounds with larger headed, separately standing stems.

Roots

Thick root.

Tubercles

Green, close together, terete, long and thin, tapering toward the tips, without latex, 6-10 mm long; axil with long bristle-like white or yellowish hairs protruding above the tubercles or absent.

Flowers

White to cream-coloured, 8-15 mm long; inner perianth segments white; filaments white, style cream-coloured; stigma lobes 4, short, obtuse.

Blooming Season

It produces ring after ring of flowers throughout most of the winter.

Stem

Globular flattened, more or less rounded at the top, dark green, soft-fleshed, 2,5-10 cm tall 4 to 6 cm thick.

Radial Spines

Very numerous 100-120 per areole, in several series, white to pale cream, spreading, fine, bristle-like, puberulent, up to 5 mm long, tips hairlike.

Fruits

Red, narrow in late summer.