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General: Very small plants, often only 2-3 cm in diameter. Short bristly spines on flat, globular or short cylindrical plants. Flowers always yellow, sometimes with a reddish throat. The flowers are self-fertile, producing fruits even without flowers. This means that buds not always ends up as flowers. Watering during hot weather can help production of flowers.
Growing: Normal cactus soil mix. Plenty of water during hot weather ro promote buds to open, sunny to slightly shady place. 5-10 C in winter. Easy to grow from seeds, grow fast and can produce buds within a year.
Habitat: uruguay, Paraguay, Bolivia, Argentina, Brazil

Copyright Mats Winberg