New Latin, from Greek polyanthos blooming, from poly- + anthos flower — more at anthology
1678, in the meaning defined at sense 1
“Polyanthus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polyanthus. Accessed 8 Dec. 2022.
Britannica.com: Encyclopedia article about polyanthus
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