Cattleya genus Cattleya are: Currently accepted natural hybrids are: Cattleya Cattleya () is a genus of orchids from Costa Rica south to Argentina. The genus is abbreviated C in trade journals. Epiphytic or terrestrial orchids with cylindrical rhizome from which the fleshy noodle-like roots grow. Pseudobulbs can be conical, spindle-shaped or cylindrical; with upright growth; one or two leaves growing from the top of them. The leaves can be oblong, lanceolate or elliptical, somewhat fleshy, with smooth margin. The inflorescence is a terminal raceme with few or several flowers. Flowers have sepals and petals free from each other; the lip or
Species Plantarum of the thousands of plant species known to Linnaeus at the time. In the first edition, there were 5,940 names, from "Acalypha australis" to "Zygophyllum spinosum". In his introduction, Linnaeus estimated that there were fewer than 10,000 plant species in existence; there are now thought to be around 400,000 species of flowering plants alone. The species were arranged in around a thousand genera, which were grouped into 24 classes, according to Linnaeus' sexual system of classification. There are no descriptions of the genera in '; these are supplied in the companion volume ' ("the genera of plants"), the fifth edition