Definitions for orchidaceae
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Princeton's WordNet
Orchidaceae, family Orchidaceae, orchid family(noun)
enormous cosmopolitan family of perennial terrestrial or epiphytic plants with fleshy tubers or rootstocks and unusual flowers
U.S. National Library of Medicine
Orchidaceae
A plant family of the order Orchidales, subclass Liliidae, class Liliopsida (monocotyledons). All orchids have the same bilaterally symmetrical flower structure, with three sepals, but the flowers vary greatly in color and shape.
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