Astrophytum Myriostigma Quadricostatum
Origin and Habitat: This is a popular variation of the Bishops Cap cactus. This cactus grows with four ribs rather than five.
Description: Astrophytum myriostigma is a spineless succulent plant. Quadrangular to almost spherical, the plants become shortly columnar with age. The stems are smooth and can be over 90 cm tall and 5-10 (-20) cm in diameter.
Flowers: Funnelform, 4-7 cm long glossy yellow and sweet scented.
Blooming season: A. myriostigma seems to flower independently of day length, flowering intermittently throughout the warm months from the end of winter to the start of autumn.