Research
International Daffodil Register and Classified List (1998)
HORTICULTURAL CLASSIFICATION
DIVISION 6 - CYCLAMINEUS DAFFODIL CULTIVARS
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Characteristics of N. cyclamineus clearly evident: one flower to a stem; perianth segments significantly reflexed; flower at an acute angle to the stem, with a very short pedicel ("neck") |
DIVISION 7 - JONQUILLA AND APODANTHUS DAFFODIL CULTIVARS
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Characteristics of Sections Jonquilla or Apodanthi clearly evident: one to five (rarely eight) flowers to a stem; perianth segments spreading or reflexed; corona cup shaped, funnel shaped or flared, usually wider than long; flowers usually fragrant |
DIVISION 8 - TAZETTA DAFFODIL CULTIVARS
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Characteristics of Section Tazettae clearly evident: usually three to twenty flowers to a stout stem; perianth segments spreading not reflexed; flowers usually fragrant |
DIVISION 9 - POETICUS DAFFODIL CULTIVARS
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Characteristics of the N. poeticus group: usually one flower to a stem; perianth segments pure white; corona very short or disc shaped, usually with a green and/or yellow centre and a red rim, but sometimes of a single colour; flowers usually fragrant |
DIVISION 10 - BULBOCODIUM DAFFODIL CULTIVARS
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Characteristics of Section Bulbocodium clearly evident: usually one flower to a stem; perianth segments insignificant compared with the dominant corona; anthers dorsifixed (ie attached more or less centrally to the filament); filament and style usually curved |