petiole

views updated Jun 27 2018

pet·i·ole / ˈpetēˌōl/ • n. Bot. the stalk that joins a leaf to a stem; leafstalk. ∎ Zool. a slender stalk between two structures, esp. that between the abdomen and thorax of a wasp or ant.DERIVATIVES: pet·i·o·lar / ˌpetēˈōlər/ adj.pet·i·o·late / ˈpetēəˌlāt/ adj.

The Oxford Pocket Dictionary of Current English

petiole

views updated May 23 2018

petiole (pedicel, wasp waist) The constriction at the base of the gaster in Apocrita. The degree of constriction is varied, ranging from slight to extreme with elongation.

A Dictionary of Zoology MICHAEL ALLABY

petiole

views updated May 23 2018

petiole
1. (animal)See gaster.

2. (plant)See epinastic growth.

A Dictionary of Ecology MICHAEL ALLABY

petiole

views updated May 14 2018

petiole The stalk that attaches a leaf blade to the stem. Leaves without petioles are described as sessile.

A Dictionary of Biology

petiole

views updated May 23 2018

petiole leaf-stalk. XVIII. — F. pétiole — L. petiolus little foot, fruit-stalk, specialized by Linnaeus.

The Concise Oxford Dictionary of English Etymology T. F. HOAD

petiole

views updated May 21 2018

petiole The stalk by which a leaf is attached.

A Dictionary of Plant Sciences MICHAEL ALLABY

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