Plant development: Genetic clues to petal evolution.
A recent study of the expression of floral organ identity genes in buttercups, poppies and their relatives has shed light on the evolutionary origin of petals.
Department of Organismic and Evolutionary Biology, Harvard University Herbaria, 22 Divinity Avenue, Cambridge, Massachusetts 02138, USA.
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Whitlock
D019143:Evolution, Molecular; D015870:Gene Expression; D017343:Genes, Plant; D019684:Magnoliopsida / Q000145:classification / Q000235:genetics / Q000254:growth & development; D010641:Phenotype; D010802:Phylogeny; D018514:Plant Structures / Q000235:genetics / Q000254:growth & development