Cattleya rex Cattleya rex Cattleya rex is a species of epiphytic orchid of showy white flowers, native to montane forests in Peru and Bolivia. Epiphytic herb with cylindric or spindle-shaped pseudobulbs, up to 35 cm. high, with one leaf at the top. Leaf oblong or elliptic-oblong, obtuse, light green, up to 35 cm. long and up to 6 cm. wide, coriaceous. Inflorescence up to 20.3 cm. high, with 3 to 6 (or 10) flowers. Flowers large and showy, up to 17 cm wide, with sepals and petals being cream-colored or ivory white, except the lip or labellum, which is colored with yellow,
Cattleya rex La Paz in Bolivia. It occurs in montane forests and low montane seasonally dry forests at 800–2500 m, growing on tree branches. In its native habitat, flowering occurs between December and March. "Cattleya rex" has been assigned an endangered conservation status in 1997 by the IUCN. Previously believed to be a Peruvian endemic, in 2013 a new locality was reported in Bolivia, thus increasing the area of extension for the species. "C. rex" requires a temperate climate (in winter, artificial heating set at 16 °C at night and 18 °C during the day is recommended) and good ventilation (a dark