| Polygonum cascadense | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Polygonum |
| Species: | P. cascadense |
| Binomial name | |
| Polygonum cascadense W.H.Baker 1949 | |
Polygonum cascadense is a species of flowering plant in the buckwheat family known by the common name Cascade knotweed. It has been found only in the State of Oregon in the northwestern United States, in the Cascades and in the Blue Mountains.[1]
Description
Polygonum cascadense is an herb with a green or red zigzag stem up to 15 cm (5.9 in) tall. It produces small groups of white flowers with red anthers.[2]
References
External links
- Paul Slichter, The Knotweeds and Smartweeds of the Columbia River Gorge of Oregon and Washington, Cascades Polygonum, Polygonum cascadense photos
- Oregon Flora Image Project, University of Hawai'i photos
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