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
Cattleya rex rose and red. Sepals narrowly elliptic; petals ovate, elliptic or rhomboid; lip folded to form a tube, with very wavy front margin. Pollinia 4, with curved appendages. James O'Brien described the species for the first time in 1890 from a live flowering plant collected in the area of Moyobamba, San Martín by Mr. Bungeroth and cultivated at L'Horticulture International, Brussels, by Mr. L. Linden. That was the first known flowering plant outside the native habitat of "C. rex". "C. rex" is known from a few localities in the regions of San Martin and Puno in Peru and the department of