Good drainage is essential
Tubercles: in 8 and 13 spirals
Each stem has a solitary flower that is tiny and whitish-green in color
triangular leaves creates a distinctive horn-like appearance
this Rebutia narvaecensis is characterized by its distinctive globular shape and dense spines that radiate from the center of the plant
Mammillaria melanocentra vibrant magenta Good drainage is essentialMammillaria melanocentra is a short, stocky and glaucous perennial cactus species with large tubercles. Each head is surrounded by a complete ring of star like dark pink flowers. It originates in Northern Mexico (Coahuila, Durango, Nuevo Leon, and Tamaulipas, Mexico). Stem: Depressed spherical, to short cylindric and rather flattened at the top, up to to 16 cm high and 10 12( 15) cm in diameter, glaucous green. Tubercles: in 8 and 13 spirals, firm,