药用植物学教案叶的形态与结构

Chapter6

TheLeafFunctionsFormandModificationsStructuresFunctionsPhotosynthesisRespirationTranspirationStorageFormThreeparts:LeafbladePetioleStipuleComplete,IncompleteLeafbladePetioleStipuleLeafTypesSimpleleafthebladeisallinonepiece,thoughitmaybelobed,toothed,etc.Compoundleafthebladeisdividedallthewaytothemidrib(rachis)intotwoormorepieces(leaflets).Pinnate,Palmate,UnifoliateSimpleLeafCompoundLeafTheDifferencebetweenaStemwithSimpleLeavesandaCompoundLeaf

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