"Tropidia" most commonly refers to a genus of terrestrial orchids in the family Orchidaceae, with the name derived from the Greek tropideion, meaning "keel" or "boat-shaped," referencing the distinctive lip of the flowers in this genus. 「Tropidia」 是蘭科中的一種地生蘭花屬, 其名稱源自希臘語 tropideion, 意為“龍骨”或“船形”, 指的是該屬花的獨特唇緣。