Definition of Begoniaceae
: a family of monoecious plants (order Parietales) distinguished by the asymmetrical leaves and consisting of five tropical genera of which Begonia is much the largest
begoniaceous\bi-¦gō-nē-¦ā-shəs, bē-\ adjective
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Origin and Etymology of begoniaceae
New Latin, from Begonia, type genus + -aceae
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