Xerophyte

Central Spines

2-4, variable, 10 to 30(-50) mm long, rugose, straight or twisted, reddish/horn-coloured to almost black, grey later.

Seeds

Brown.

Description

Mammillaria wagnerianaSN|10031]]SN|22488]] is a a little known, strong and relatively fast growing species with mostly solitary hemispherical stems. It is sometime grown as an ornamental, although there may be issues of whether the plants grown are correctly identified.

Axils

With dense white especially in the floriferous parts, wool but no bristles.

Tubercles

Short, pyramidal, quadrangular to almost conical, obtuse-angled with latex. In 13-21 spiral rows of 8 to 10 tubercles. Axil with dense wool but no bristles.

Flowers

Whitish with pale pink midveins and tips, 15-20 mm in diameter, stigma greenish-yellow.

Blooming Season

Spring.

Stem

Simple, depressed-spherical, to oval (or short-cylindrical in cultivation), 6 to 20 cm thick and up to 15 cm high, slightly depressed at the top, dark green.

Radial Spines

6-10, slightly subulate whitish yellow, or fleshy coloured with brown tips, unequal, upper 2-3 to 6-7 mm long, lateral ones twice as long , lower ones three times as long (to c. 22 mm long).

Fruits

Red.