Xerophyte

Central Spines

0-1 or 2 (occasiaonally 4). The long central spine is not present on all the clones, yellowish, hooked, to 8 mm long, pubescent.

Seeds

Blackish brown.

Description

Mammillaria duweiSN|8910]]SN|8895]] is a small solitary rarely offsetting plants that eventually forms tiny mounds.

Tubercles

Small, clavate 4-5 mm high, With a woolly axil and little hair.

Flowers

Funnel-form, less deeply set, yellowish/cream to light yellow, about 20 mm long and in diameter. Inner segments lanceolate, widely spreading, accuminate, style and stigma lobes greenish.

Blooming Season

Flowers readily, and for a long period from spring to the early summer.

Stem

Heads 3,5 to 6 cm in diameter, 2-4 cm high, dark green, soft, globoid, flattened-globose, to shortly cylindrical.

Radial Spines

28-36, acicular, thin, white, brownish at base, pubescent, 3,5-4 mm long, interlacing and densely wrapped against the body of the cactus.

Fruits

Light red to red, elongated.