Cactus e Dintorni

Habitat: Brazil.
Description: recently discovered beautiful, globular plants having green stems with several ribs and closely-spaced areoles. The flowers are yellow and diurnal and appear in the summer.
Soil: basic mix; some species, however, benefit from the addition of chalk, others need humus instead.
Location: filtered sunlight.
Temperature: ensure a minimum of about 12°C (54°F) and moderately humid air.
Water: average.
Cultivation tips: not easy; germinating seeds can also be tricky. They’re best grafted.
Main species of Uebelmannia: Uebelmannia pectinifera, has a large root and lives among rocks; it requires slightly chalky soil improved with humus and a sunny place; Uebelmannia  buiningi, grow in partial shade and porous, acidic soil;
Uebelmannia  gummifera, porous, slightly alkaline substrate with some leaf mould;
Uebelmannia  flavispina; Uebelmannia  meninensis.