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© The Systematics Association 2013. Flowers of the genus Narcissus (the daffodils) contain a corona, a cup-shaped structure, positioned between the stamens and tepals (Fig 12.1a). The identity and homology of this structure has been a source of debate and confusion for more than a century (Doell, 1857; Masters, 1865; Smith, 1866; Eichler, 1875; Pax, 1888; Celakovsky, 1898; Velenovsky, 1907, 1910; Goebel, 1933; Arber, 1937; Singh, 1972). Here I provide a short review of this issue, which explains the context for an ongoing developmental genetics research study attempting to ascertain the homology of the daffodil corona.

Original publication




Conference paper

Publication Date



297 - 303