twayblade
twaybladenoun- an orchid with a slender spike of greenish or brownish flowers and a single pair of broad leaves near the base
对叶兰
- Genus Listera, family Orchidaceae: several species, including the Eurasian common twayblade (L. ovata)
对叶兰属,兰科:数种,包括欧亚的卵叶对叶兰(拉丁名L. ovata)
语源- late 16th cent.: from tway (variant of twain) + blade, translating Latin bifolium
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