What’s a dichotomous key? Get HelpSee list of 5 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
Reference: Epling (1942).
1a. Bracts near the middle of the inflorescence scarcely differentiated from the upper foliage leaves (i.e., the flowers occurring in the axils of leaves) [Fig. 704]; principal leaf blades sessile or borne on short petioles up to 4 mm long
1b. Bracts near the middle of the inflorescence conspicuously reduced in size compared with the upper foliage leaves (i.e., the flowers in leafy-bracteate racemes); principal leaf blades on petioles 5–25 (–33) mm long
3b. Racemes secund; median leaf blades narrow-ovate to ovate, 15–50 (–80) mm wide, dentate or serrate
Show photos of: Each photo represents one species in this genus.