Turbinicarpus booleanus

Synonyms- Rapicactus booleanus, Rapicactus subterraneus ssp booleanus,

Turbinicarpus mandragora ssp booleanus.

Description-

Body- Solitary, globular to obvate, 25-45mm high, 25-55mm wide green-bluish.

Root- Tuberous.

Tubercles- Pyramid conical.

Spines- Radials- 18-20 white 3-17mm long.

Centrals- 2 white but with darker tip, erect 12-21mm long.

Flowers- Pale to dark magenta 25mm long, 20mm wide.

Fruits- Dark green to purple 7mm long, 6mm wide.

Distribution- Galeana in the state of Nuevo Leon (Mexico). Altitude 1700-2000m.

Notes-

This plant is more easily recognised when young. Relatively easy to cultivate and slow growing. Particularly cold hardy when dry.