Xerophyte

Central Spines

1 (rarely 2), to 10 mm long, erect, straight, brownish to dark brown, (not distinguishable in subsp. viereckii).

Seeds

Black.

Description

Mammillaria pictaSN|23716]]SN|9365]] is a genuine winter-flowering species with greenish white blooms even in tiny seedlings.

Roots

Tuberous.

Tubercles

Cylindric-terete, somewhat oblique, obtuse, without latex, their axils with a few twisted hairlike bristles.

Flowers

Wide funnelform, pale greenish white to 9-20 mm long and 11-15 mm indiameter. Stigma-lobes 3.

Stem

Usually simple, becoming tuberous at base, globose to ovoid, dull green, 4-5 cm high and in diameter

Radial Spines

(10)11-15(-20), protruding, bristle-like, pubescent yellowish at base, white near middle, above dark purple, brown or amber yellow to 10 mm long, lower (3-)4(-5) much longer, slender, hair-like and white.

Fruits

Elongated, red.