Xerophyte

Central Spines

Somewhat feathered, 7 to 11, fine, needle-like, reddish brown with yellowish base, to 6 mm long, of which one sometimes hooked, others straight.

Seeds

Brownish black.

Description

Mammillaria brachytrichionSN|18427]]SN|18427]] is a tiny species with feathery hooked spines, solitary or forming clusters.

Axils

Without bristles or wool.

Tubercles

Cylindrical.

Flowers

Funnelform, white, sometimes with pink midveins, 10-12 mm long, 12-14 mm in diameter.

Stem

Spherical depressed to somewhat elongate with age, dark green, 1-2 cm tall, 1,5-4 cm in diameter, but often larger in cultivation. Without latex.

Radial Spines

26-32, about 7-10 mm long, pubescens, needle-like, stiff, straight, translucent whitish to yellowish brown, with dark tips.

Fruits

Small, greysh-green or pinkish.