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Floral flexibility: Diversification of the flower

Angiosperm evolution involves a major transition from spiral to whorled arrangements of floral organs. Examination of the genetic programs specifying floral organ identity in Nigella damascene, a species of Ranunculaceae with spiral flowers, illuminates the molecular basis of how spiral flowers can have flexible numbers of floral organs.

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Affiliations

  1. Douglas E. Soltis is at the Florida Museum of Natural History, University of Florida, Gainesville, Florida 32611, USA, the Department of Biology, University of Florida, Gainesville, Florida 32611, USA, and the Genetics Institute, University of Florida, Gainesville, Florida 32608, USA.

    • Douglas E. Soltis

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Correspondence to Douglas E. Soltis.