Polygonum engelmannii, common name Engelmann's knotweed, is a North American species of plants in the buckwheat family. It is native to western Canada and the western United States, usually at high elevations in the mountains. It has been found in Alberta, British Columbia, Idaho, Montana, Wyoming, Nevada, Utah, and Colorado.[2]
| Polygonum engelmannii | |
|---|---|
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Polygonum |
| Species: | P. engelmannii
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| Binomial name | |
| Polygonum engelmannii Greene 1885
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| Synonyms[1] | |
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Polygonum engelmannii is an branching herb up to 30 cm (1 foot) tall. It has clusters of green or purple flowers.[3][4]
References
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