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 amethystoglossa The lip is bright magenta in color and partially wraps around the column. The throat varies in color from white to pale yellow or gold. Flowers are produced from late fall to early spring. "C. amethystoglossa" grows best in intermediate or warm growing conditions. This species is closely related to "C. guttata" in many ways but differs in flower color and other minor botanical details. There have been a few coerulea and alba forms found in the wild. There are several synonyms for this species: "Cattleya amethystoglossa" var. "lilacina", "Cattleya guttata keteleerii", "Cattleya guttatta lilacina", "Cattleya guttata prinzii", "Cattleya guttata"