Oncidium papilio

from WordNet (r) 3.0 (2006)

Oncidium papilio
    n 1: orchid of South America and Trinidad having large yellow
         and reddish-brown flowers; sometimes placed in genus
         Oncidium [syn: {Psychopsis papilio}, {Oncidium papilio}]

from The Collaborative International Dictionary of English v.0.48

Oncidium \On*cid"i*um\, n. [NL.] (Bot.)
   A genus of tropical orchidaceous plants, the flower of one
   species of which ({Oncidium Papilio}) resembles a butterfly.
   [1913 Webster]

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