Achlys triphylla, common name deer-foot or vanilla-leaf, is a plant species native to the mountains of the West Coast of North America. It has been reported from the Cascades and from the Coast Ranges in British Columbia, Washington, Oregon and northern California, at elevations of up to 1500 m (5000 feet). Achlys triphylla is an herb up to 40 cm (16 inches) tall. It has trifoliate leaves and small white flowers.