Mammillaria candida Scheidw.

Accepted name: Mammilloydia candida

Solitary or eventually clustering, body globular or elongate at maturity 6-12 cm wide, crown distinctly depressed or flat. Axils with 4-7 white bristles. 6-12 pinkish white central spines 5-9 mm long, 50 white spreading radial spines. Flowers pink with white margins to 20 mm long. Fruit pink.

NE Mexico

Readily distinguished by the white body and globular, flattened crown.

Source: Thompson, A, ; Forbes, S.; Spencer, R. (1997). Cactaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.