Turbinicarpus viereckii ssp. major

Scientific Name: Turbinicarpus viereckii ssp. major (Werderm.) V.John & Riha
Synonym: Gymnocactus viereckii var. major , Neolloydia viereckii var. major , Pediocactus viereckii var. major , Thelocactus viereckii var. major , Turbinicarpus viereckii var. major
Family: Cactaceae

Origin: Mexico (Nuevo León, San Luis Potosí)

Growth Habits: Generally solitary, dull green globose stem, 1.2 to 2.8 inches tall (3-7 cm), 1.6 to 2.6 inches in diameter (4-6.5 cm); apex with white wool; 15 to 18 ribs divided in tubercles, 0.24 inch long (6 mm); 3 to 5 white centrals in a cross like formation, 1 inch long (2.5 cm); 13 to 16 white radials, some with brown tips, 0.3 to 0.5 inch long (0.8-1.3 cm)

Blooming Habits:
The Turbinicarpus viereckii has white flowerst, 1.2 inches long (3 cm), 1.4 inches broad (3.5cm).