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Schlumbergera orssichiana is a rare epiphytic cactus from the coastal mountains of south-eastern Brazil, related to the Christmas cactus. It is grown mostly as a parent of popular hybrids, and it needs the same cool, humid, shaded care as other Schlumbergera.
Schlumbergera orssichiana is a species of plant in the family Cactaceae. It is endemic to a small area of the coastal mountains of south-eastern Brazil where its natural habitat is moist forest. It grows on trees as an epiphyte. It is in the same genus as the popular houseplant known as Christmas cactus or Thanksgiving cactus.
S. orssichiana is mainly grown in the form of its hybrids with other species of the genus, particularly the artificial hybrid S. orssichiana × S. truncata, which has been called S. × reginae McMillan or S. Reginae Group. The hybrid S. orssichiana × S. russelliana has also been made in cultivation; it has been given the name S. × eprica Süpplie. Cultivars of both of these two hybrids are sometimes called "The Queens".
These plants and their cultivation are discussed at Schlumbergera: Cultivation.
S. orssichiana occurs only in the coastal mountains of south-east Brazil, in the states of São Paulo and Rio de Janeiro, in the southernmost part of the tropics. Sites where it has been found include Morro dos Três Picos in the Serra do Mar and the Serra da Bocaina. Plants are found at altitudes of around 1,000 metres (3,300 ft) Because of their altitude and proximity to the Atlantic Ocean, the coastal mountains have high humidity – warm moist air is forced upwards into higher, colder locations where it condenses. S. orssichiana grows on trees (epiphytic).
Christmas Cactus · Schlumbergera lutea · Christmas Cactus · Christmas Cactus · Schlumbergera russelliana · False Christmas cactus · Vascular Plants
Text excerpted from the Wikipedia article Schlumbergera orssichiana by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
