perennial phlox

noun

Definition of perennial phlox

: any of various garden phlox derived chiefly from a North American species (Phlox paniculata) and having erect stems 2 to 4 feet high, leaves 3 to 5 inches long and all opposite, and flowers that are distinctly stalked — compare annual phlox

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“Perennial phlox.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perennial%20phlox. Accessed 2 Dec. 2021.

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