any of a genus (Corallorhiza) of saprophytic, brownish orchids with branched, coral-colored roots and no leaves
See coralroot in American Heritage Dictionary 4
(kôrˈəl-ro͞otˌ, -ro͝otˌ, kŏrˈ-)
noun
Any of several terrestrial, saprophytic, chiefly New World orchids of the genus Corallorhiza having yellowish-green to purplish-brown leafless stems and small flowers.