(n) orchid having two triangular leaves and a short lax raceme of green to rust-colored flowers with the lip flushed mauve; Europe and Asia and North America and Greenland, Syn. Listera cordata
(n) orchid having a pair of ovate leaves and a long slender raceme of green flowers sometimes tinged red-brown; Europe to central Asia, Syn. Listera ovata
n. (Bot.) Any one of several orchidaceous plants which have only two leaves, as the species of Listera and of Liparis. [ Written also twyblade. ] [ 1913 Webster ]