Astrophytum capricorne (A.Dietr.) Britton & Rose

Body round to elongate, 10-50 cm high, 10 cm wide with 8 acute ribs. Areoles with up to 1-20 flattened, curved spines 3-10 cm long. Flowers yellow, reddish in throat, 6-10 cm in wide. Fruit breaking open irregularly. [A. crassispinum (Moeller) Haage & Sad.]

N Mexico

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        Astrophytum Lem.