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Word of the Week: Petiole
November 01, 2018 by Jon Hayes

Petiole(noun): a stalk that joins a leaf to a stem.

Some leaves have very long petioles (petiolate), and others have very short petioles (subpetiolate). Some leaves have no petiole at all and attach to the stem directly (sessile).

The word petiole comes from the Latin words petiolus, or peciolus, translating to "little foot".

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