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- The taxonomy of Narcissus is complex, and still not fully resolved. Known to the ancients, the genus name appears in Graeco-Roman literature, although their interest was as much medicinal as botanical. It is unclear which species the ancients were familiar with. Although frequently mentioned in Mediaeval and Renaissance texts it was not formally described till the work of Linnaeus in 1753. By 1789 it had been grouped into a family (Narcissi) but shortly thereafter this was renamed Amaryllideae, from which comes the modern placement within Amaryllidaceae, although for a while it was considered part of Liliaceae. Many of the species now considered to be Narcissus were in separate genera during the nineteenth century, and the situation was further confused by the inclusion of many cultivated varieties. By 1875 the current circumscription was relatively settled. By 2004 phylogenetic studies had allowed the place of Narcissus within its fairly large family to be established, nested within a series of subfamilies (Amaryllidoideae) and tribes (Narcisseae). It shares its position in the latter tribe with Sternbergia. The infrageneric classification has been even more complex and many schemes of subgenera, sections, subsections and series have been proposed, although all had certain similarities. Most authorities now consider there to be 10 – 11 sections based on phylogenetic evidence. The problems have largely arisen from the diversity of the wild species, frequent natural hybridisation and extensive cultivation with escape and subsequent naturalisation. The number of species has varied anywhere from 16 to nearly 160, but is probably around 50 – 60. The genus appeared some time in the Late Oligocene to Early Miocene eras, around 24 million years ago, in the Iberian peninsula. While the exact origin of the word Narcissus is unknown it is frequently linked to its fragrance which was thought to be narcotic, and to the legend of the youth of that name who fell in love with his reflection. In the English language the common name Daffodil appears to be derived from the Asphodel with which it was commonly compared. (en)
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