Petiole (botany)
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In botany, the petiole, commonly known as the leaf stem or leaf stalk, is the stalk that attaches the leaf to the twigs, branches or stems of a plant. The terms petiolate and apetiolate are applied, r
Leaf of Pyrus calleryana with petiole
Harvested rhubarb petioles with leaf blades attached
Acacia koa with phyllode between the branch and the compound leaves
Pulvini at both ends of the petioles of Elaeocarpus multiflorus
Pulvinus
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A pulvinus may refer to a joint-like thickening at the base of a plant leaf or leaflet that facilitates growth-independent movement. Pulvinus is also a botanical term for the persistent peg-like bases
Pulvini of Jacaranda jasminoides