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 labiata have large white flowers with a touch of yellow. There is another variety of semialba, with lilac in the inferior part of the flower. This plant is an epiphyte, growing up in trees, where light is plentiful. However, there are also many other places where this plant could grow, such as directly on rock with very little soil. The plant itself is a medium-sized unifoliate (labiate) "Cattleya", with a medium-sized rhizome. The plant has long leaves, with a tough (coriaceous) consistency because of the aridity in the canopy of trees, due to a short dry season. For water requirements, the