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Petiole
/ˈpɛt.i.oʊl/noun
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A petiole is the stalk that connects a leaf to a plant's stem, enabling efficient nutrient flow and movement to optimize sunlight capture. In a broader context, it can also refer to similar narrow structures in insects, like the waist of ants, highlighting its use in comparative anatomy for evolutionary studies.
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The petiole of the giant water lily, Victoria amazonica, is so strong that it can support the weight of a small child—up to about 45 kilograms—allowing the leaf to float like a natural raft, a phenomenon that amazed Victorian explorers and inspired early engineering designs.
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