What’s a dichotomous key?
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- Group 1Lycophytes, Monilophytes
- Group 2Gymnosperms
- Group 3Monocots
- Group 4Woody angiosperms with opposite or whorled leaves
- Group 5Woody angiosperms with alternate leaves
- Group 6Herbaceous angiosperms with inferior ovaries
- Group 7Herbaceous angiosperms with superior ovaries and zygomorphic flowers
- Group 8Herbaceous angiosperms with superior ovaries, actinomorphic flowers, and 2 or more distinct carpels
- Group 9Herbaceous angiosperms with superior ovaries, actinomorphic flowers, connate petals, and a solitary carpel or 2 or more connate carpels
- Group 10Herbaceous angiosperms with superior ovaries, actinomorphic flowers, distinct petals or the petals lacking, and 2 or more connate carpels
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- Dichotomous Key
- Amaryllidaceae
- Narcissus
Narcissus
See list of 2 species in this genusReference: Straley and Utech (2002).
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1a. Corona tubular, 30–35 mm long, yellow, with a flared and ruffled apex; stamens uniseriate, all exserted to near midlength of corona; tepals yellow, 2.5–3.5 cm long
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1b. Corona cup-like, 3–5 mm long, usually yellow with a red, crenulate apex; stamens biseriate—3 shorter ones included in floral tube of tepals, 3 longer ones exserted from the mouth of corona; tepals white, 1.5–2.5 cm long
Show photos of: Each photo represents one species in this genus.