Also found in: Thesaurus.
a begonia, Begonia rex, native to India, having wrinkled variegated leaves and thick hairy stems: cultivated in many varieties.
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|Noun||1.||rex begonia - any of numerous usually rhizomatous hybrid begonias derived from an East Indian plant having rough-textured leaves patterned in silver and bronze and purple and red-brown with inconspicuous flowers|
begonia - any of numerous plants of the genus Begonia grown for their attractive glossy asymmetrical leaves and colorful flowers in usually terminal cymes or racemes