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,
Portia labiata and from Sagada, both in the Philippines, have slightly different hunting tactics, and Los Baños has some very dangerous prey spiders. In laboratory tests, Los Baños "P. labiata"s rely more on trial and error than Sagada "P. labiata"s in finding ways to vibrate the prey's web and thus lure or distract the prey. Around Los Baños the web-building "Scytodes pallida", which preys on jumping spiders, is very abundant. All members of the genus "Scytodes" spit a sticky gum on prey and potential threats, and this can immobilise a "Portia" long enough for the "Scytodes" to wrap the "Portia" in silk