| Noun | 1. |  Listera ovata - orchid having a pair of ovate leaves and a long slender raceme of green flowers sometimes tinged red-brown; Europe to central Asia orchid, orchidaceous plant - any of numerous plants of the orchid family usually having flowers of unusual shapes and beautiful colors genus Listera, Listera - genus of terrestrial orchids having usually a single pair of broad shining leaves near the middle of the stem; found in temperate Asia and North America and Europe |