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| relating to the veins of plants | ||||
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| any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ | ||||
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| [in botany] the arrangement of veins in a leaf | ||||
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| a riblike part of a plant or animal (such as a middle rib of a leaf or a thickened vein of an insect wing) |