Widely distributed in temperate regions

• Genus of leafless root-parasitic orchids having small purplish or yellowish racemose flowers with lobed lips

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Corallorhiza \Corallorhiza\ n. a genus of leafless root-parasitic orchids having small purplish or yellowish racemose flowers with lobed lips; it is widely distributed in temperate regions. Syn: genus Corallorhiza . [WordNet 1.5] ||

Wikipedia Word definitions in Wikipedia
Corallorhiza , the coralroot, is a genus of flowers in the orchid family. Except for the circumboreal C. trifida , the genus is restricted to North America (including Mexico , Central America and the West Indies ). Most species are parasitic , relying entirely ...