Accepted name: Mammillaria perbella
Solitary, body elongate, to 8 cm wide and 10 cm high. Tubercles obscure. Central spines 2, 3-5 mm long, black, later grey, tips black. Radial spines 20-30, 3 mm long, white. Flowers pink with darker central stripe, 15 mm long and wide. Fruit red.
Probably of garden origin
Source: (1997). Cactaceae. In: . 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.