oncidium

WORDNET DICTIONARY

oncidium(n = noun.plant) butterfly orchid, butterfly plant, dancing lady orchid - any orchid of the genus Oncidium: characterized by slender branching sprays of small yellow and brown flowers; often grown as houseplants;

is a kind of orchid, orchidaceous plant

is a member of genus oncidium

oncidium, n. [NL.].

A genus of tropical orchidaceous plants, the flower of one species of which (Oncidium Papilio) resembles a butterfly. [1913 Webster]