Leavesof mostplantsinclude a flat structure called thebladeor lamina, but not allleavesare flat, some are cylindrical.Leavesmay be simple, with a singleleaf blade, or compound, with several leaflets.In floweringplants, as well as thebladeof theleaf, there may be a petiole and stipules; compoundleavesmay have a rachis supporting the leaflets.
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