tuberous begonia

noun

Definition of tuberous begonia

: any of various begonias that have tuberous roots and usually large showy and often double flowers and that are complex hybrids commonly treated as a horticultural species (Begonia tuberhybrida) — compare fibrous-rooted begonia, rhizomatous begonia

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“Tuberous begonia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tuberous%20begonia. Accessed 26 Oct. 2020.

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