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vanilla plant

noun
  1. a composite plant, Trilisa odoratissima (or Carphephorus odoratissimus), of the southeastern U.S., having purplish flower heads and vanilla-scented leaves used to flavor tobacco.
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Origin of vanilla plant

First recorded in 1745–55
Also called vanilla leaf, wild vanilla.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018