What’s a dichotomous key? Get HelpSee list of 3 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
Acalypha ostryifolia Riddell ex J.M. Coulter was once collected about the foundation of a home at the Arnold Arboretum (specimen at A). This is not considered evidence of naturalization.
Reference: Levin (1999).
1b. Leaf blades broad-lanceolate to ovate; petioles 7–70 mm long, (23–) 33–89% as long as the leaf blade; carpellate bracts lacking sessile, red glands (though usually with stipitate glands), toothed with linear to lanceolate teeth 21–75% as long as the bract
2a. Carpellate bracts with 5–9 lobes, stipitate-glandular, without long, eglandular hairs [Fig. 624]; stems usually without long, eglandular hairs; petioles 34–89% as long as the leaf blades, the petioles of the larger leaves commonly more than ½ as long as the blades
Show photos of: Each photo represents one species in this genus.