WHAT IS PETIOLE?
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: a slender stem that supports the blade of a foliage leaf. 2 : peduncle specifically : a slender abdominal segment joining the rest of the abdomen to the thorax in some insects.In botany, the petiole is the stalk that attaches the leaf blade to the stem, and is able to twist the leaf to face the sun. This gives a characteristic foliage arrangement to the plant. Outgrowths appearing on each side of the petiole in some species are called stipulesThe petiole is a stalk that connects the blade with the leaf base. The blade is the major photosynthetic surface of the plant and appears green and flattened in a plane perpendicular to the stem.Petiole is the stalk that supports a leaf in a plant and attaches the leaf blade to the stem.plant leaf is generally composed of a petiole and a leaf blade. The petiole connects the leaf blade to the plant stem and, from a structural viewpoint, it resembles a cantilever beam.