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Description: Solitary, flattened globose cactus that form a white
cephalium at maturity.
Stem: Shaped like a cake up to 6 cm tall (8-9 cm with cephalium),
15 cm in diameter. The epidermis is light green to brownish-green.
Flowers: Nocturnal, very fragrant up to 7-8 cm long, 6 cm in
diameter.
Blooming season: Flowers come in profusion in summer, out of the
cephalium.
Spines: 5-7 (or more) brown to reddish.
Cultivation: Collectors consider this cactus genus from South
America to be rarities as they are not the easiest plant to keep happy.
it is rather difficult to grow and frost tender, should be kept at above
15° C if grown on its own roots (8°C if grafted) need full sun or
afternoon shade. Young seedlings are generally grafted because they are
slow growing and very rot prone when kept on their own roots and though
they can’t endure long stretches of total dryness, too much water will
rot them, as their weak root systems tend to be inefficient at sucking
up water from wet soil. They generally resent being repotted and can
take a long time to establish. |
Cultivation
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