Cattleya maxima which has dark purple veins and a yellow area in the middle. Dorsal sepal narrowly elliptic; lateral sepals elliptic lanceolate; petals elliptic with wavy margin; lip folded forming a tube, with the front margin curly and wavy. Column slender and arched. "Cattleya maxima" occurs as an epiphyte on trees in dry forests from 100 to 1800 m of elevation, from Venezuela to northern Peru. The upland variety can be found growing on rocky slopes. Cattleya maxima Cattleya maxima is a species of orchid in subfamily Epidendroideae found from Venezuela to Peru. Epiphytic herb with club-shaped pseudobulbs, up to 39 cm.
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