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Leaves are determinate organs produced by the shoot apical meristem. Land plants demonstrate a large range of variation in leaf form. Here we discuss evolution of leaf form in the context of our current understanding of leaf development, as this has emerged from molecular genetic studies in model organisms. We also discuss specific examples where parallel studies of development in different species have helped understanding how diversification of leaf form may occur in nature.

Original publication




Journal article


New Phytol

Publication Date





693 - 710


Biological Evolution, Gene Expression Regulation, Developmental, Gene Expression Regulation, Plant, Genes, Plant, Plant Leaves