any plant of the genus Corallorhiza, family Orchidaceae, consisting of about 13 species of nearly leafless, nonphotosynthetic orchids that live ... Found on http://www.britannica.com/eb/a-z/c/140
a saprophytic orchid of the genus Corallorhiza, of the Northern Hemisphere, having elongated clusters of small flowers on a leafless stem. Found on https://www.infoplease.com/dictionary/coralroot