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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
The genus Bistorta is here recognized separate from Persicaria following the phylogenetic work of Kim and Donoghue (2008).
1a. Inflorescence 3–6 ×0.5–1 cm, bearing sterile flowers in the apical half and bulbils in the basal half (or sometimes bulbils nearly throughout) [Fig. 786]; leaf blades 2–10 cm long, narrowed at the base; plants native, of alpine habitats, at elevations exceeding 1000 m
Show photos of: Each photo represents one species in this genus.