twayblade
nounAny of various small terrestrial orchids of the genera Liparis and Listera, having usually two basal leaves and a terminal cluster of greenish or purplish flowers.
nounPrimarily, a European orchid, Listera ovata, a simple-stemmed plant a foot or more high, bearing a slender raceme of green flowers, and about six inches from the ground a single pair of broadly ovate leaves, to which the name refers.
nounAny one of several orchidaceous plants which have only two leaves, as the species of
Any of several
orchid having a pair of ovate leaves and a long slender raceme of green flowers sometimes tinged red-brown; Europe to central Asia
nounan orchid of the genus Liparis having a pair of leaves