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WordReference Random House Unabridged Dictionary of American English © 2024te•pal (tē′pəl, tep′əl),USA pronunciation n. [Bot.]- Plant Biologyone of the divisions of a flower perianth, esp. one that is not clearly differentiated into petals and sepals, as in lilies and tulips.
- French tépale (1827), alteration of pétale petal, on the model of sépale sepal; coined by Augustin-Pierre de Candolle (1778–1841), Swiss botanist
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