Xerophyte

Central Spines

1 stronger, porrect, erect coloured brown with a black tip.

Seeds

Brownish-red.

Description

It is a low growing solitary plant and one of the most cold hardy of the Mammillaria. Of the related taxon belonging to Mammillaria heyderiSN|20814]]SN|20805]] complex the Mammillaria applanataSN|20805]]SN|20814]] is often the flattest but otherwise very similar to the other species and may probably repesent only a race of the same species.

Tubercles

9-20 × 3-7 mm, elongated pyramidal or conical, ± flattened andangular. Their axil is naked or slightly woolly at first.

Flowers

About 2 cm long and up to 3.5 cm broad, cream to pinkish on the inside with greenish or brownish midveins. Outer perianth segment greenish, lanceolate, accuminate, margin not ciliate. Flower buds pointed greenish. Filaments whitish, sorter than the style, Stigma lobes greenish.

Blooming Season

Flowers, appears in April-May

Stem

Much flattened to globose, green to dark green, more than 10 cm in diameter and only 2.5 to 5 cm tall with a depressed crown covered with white wool. With latex.

Radial Spines

Approx 10 to 20 per areole, widely spreading, bristly, needlelike, whitish to pale bron, lower ones darker than the upper, 5 to 12 mm long.

Fruits

Red, nacke, more than 3 cm long maturing in Augus-March.often requires a full year to mature.

Areoles

Young areoles very woolly.