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.
Baum
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DA
Department of Organismic and Evolutionary Biology, Harvard University Herbaria, 22 Divinity Avenue, Cambridge, Massachusetts 02138, USA.
Whitlock
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BA
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