System of Classification

1. The Classification of a daffodil cultivar (cultivated variety) is based on the description and measurements submitted by the person registering the variety, or the classification submitted by such person.

2. Colors applicable to the description are abbreviated as follows: W - White or whiteish, G - Green, Y - Yellow, P - Pink, O - Orange, R - Red

3. For the purpose of the description, the daffodil flower shall be divided into the perianth (petals) and corona (cup).

4. The perianth shall be described by the letter or letters of the color code most appropriate.

5. The corona shall be divided into three zones; an eye-zone, a mid-zone, and the edge or rim. Suitable color code descriptions shall describe these zones, beginning with the eye-zone and extending to the rim.
6. The letter or letters of the color code most accurately describing the zones of the perianth shall follow the division designation.

7. The letter of the color code, most accurately describing the zones of the corona shall then follow, from the eye-zone to the rim separated from the perianth letters by a hyphen. In Division 4, the letters of the color code accurately describing the admixture of petals and petaloids replacing the corona shall follow in proper order, using three, two, or one color codes as appropriate.

8. If the corona is substantially of a single color; a single letter of the color code shall describe it.

Using these basic requirements, daffodils are classified in thirteen divisions:

	Division 1: Trumpet
	One flower to a stem, trumpet or corona as long or longer than the perianth segments.
	Division 2: Long Cup
	One flower to a stem, cup or corona more than one third but less than equal to the length of the perianth segments.
	Division 3: Short Cup
	One flower to a stem, cup or corona not more than one third the height of the perianth segments.
	Division 4: Double
	Double flowers.
	Division 5: Triandrus
	Usually more than one flower to a stem, head drooping, perianth segments often reflexed and of silky texture.
	Division 6: Cyclamineus
	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 short pedicel ("neck").
	Division 7: Jonquilla and Apodanthus
	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
	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
	Usually one flower to a stem. White petals sometimes stained with the corona color at the base, small flat cup edged with red. Flowers usually fragrant.
No picture available.	Division 10: Bulbocodium
	Characteristics of Section Bulbocodium clearly evident: usually one flower to a stem; perianth segments insignificant compared with the dominant corona; anthers dorsifixed (i.e. attached more or less centrally to the filament); filament and style usually curved.
	Division 11: Split Corona
	a.) Collar Daffodils Spint-corona daffodils with the corona segments opposite the perianth segments; the corona segments usually in two whorls of three. b.) Papillon Daffodils Spint-corona daffodils with the corona segments alternate to the perianth segments usually in a single whorl of six.
No picture available.	Division 12: Other Daffodil Cultivars
	Daffodils not falling into any of the previous divisions.
	Division 13: Daffodils By Botanical Name (Species)
	Daffodils which are distinguised solely by their botanical name (species).