Spherical cactus with abundant white wool on top up
to 50 cm in diameter . Adult specimens have around 30-35 ribs and become
columnar, reaching over 90 cm in height. Spines colour is variable
yellow, amber yellow, fox red or almost black. Juvenile specimens have 1
central spine and 8 radial, but the number increase as they get older
and areoles can have over 20 spines on mature specimens. Flowers are red
campanulate or funnel-shaped 5 cm long, with a white hairy floral tube.
There might be over 50 flowers on a mature specimen (only mature
Cultivation: Slow growing, extremely
rot prone if kept in a non
ventilated place. Require a very fast draining drying soil,
water regularly in summer, but do not
full sun exposure (or
light shade) Good heat tolerance.
Hardy to at least -5°C
Usually propagated from Seeds.
(seldom produces offsets)