Mammillaria albilanata Backeb.

Solitary, body shortly cylindrical to 15 cm high, crown white. Axils white woolly. 2(-4) brownish-tipped white central spines 2-5 mm long, 15-20 white radial spines 2-3 mm long. Flowers in a ring around crown, carmine, to 8 mm long. Fruit pink to red. [M. fuauxiana Backeb.]

SW Mexico

The form with longer central spines was recognised by Backeberg as M. fuauaxiana Backeb. The form is of particular interest as the only cac­tus named for an Australian — the doyen of Australian collectors, Lex Fuaux.

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.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Caryophyllanae
order      Caryophyllales
family       Cactaceae
genus        Mammillaria Haw.