vernation

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vernation The arrangement of bud scales or young leaves in a shoot bud. They may be rolled lengthwise (circinate); pleated lengthwise (plicate); rolled from the sides to the centre of the underside (involute); rolled from the sides to the centre of the upper side (revolute); rolled from the sides with one side folded around the other (convolute); or folded so that each leaf clasps those next to it inside the fold (conduplicate).