Caladenia plicata, commonly known as the crab-lipped spider orchid, is a species of orchid endemic to the south-west of Western Australia. It has a single hairy leaf and one or two red, yellow and pale green flowers with an unusual labellum which vibrates in the slightest breeze.
Caladenia macrostylis is a terrestrial, perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, 80–200 mm (3–8 in) long and 6–12 mm (0.2–0.5 in) wide. One or two red, yellow and pale green flowers ...