What’s a dichotomous key? Get HelpSee list of 4 species in this genus
- 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
References: Hellquist and Crow (1980), Haynes (2000c).
1a. Each margin of the leaf blade with 7–17 spinules [Fig. 131], these either minute and unicellular or larger and multicellular; apex of leaf sheath truncate or auriculate [Fig. 131]
1b. Each margin of the leaf blade with 18–100 minute, unicellular spinules; apex of leaf sheath convexly tapering into base of blade (rarely truncate in N. guadalupensis)
Show photos of: Each photo represents one species in this genus.