Xerophyte

Habit

Contrary to the standard Turbinicarpus viereckiiSN|14959]]SN|14959]], which often clusters and forms small group with time, subsp. major usually remains solitary.

Central Spines

3 to 7 white with black tips in a cross like formation, 2-4 cm long.

Description

Turbinicarpus viereckiiSN|14959]]SN|14959]] subsp. major is one of the local or morphological form of Turbinicarpus viereckiiSN|14959]]SN|14959]]. It is an attractive dwarf cactus covered with characteristic glassy white and black spines and whitish wool which is distinguished from the type species for having white flowers instead of purple.

Roots

Swollen bundled.

Tubercles

6 mm long rhomboidal conical.

Flowers

White (sometime with a pink midstripe), 3 cm long, 3,5 mm broad

Ribs

15 to 18 ribs divided in tubercles.

Stem

Dull green or blue-green, globose to slightly cylindrical 4-7(-12) cm tall, 4-7 cm in diameter apex with with very woolly top.

Radial Spines

13 to 16 rigid white translucent, some with brown tips, 0,8-1,3 cm long.

Fruits

Greenish-magenta.