Bistorta affinis
| Bistorta affinis | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Bistorta |
| Species: | B. affinis |
| Binomial name | |
| Bistorta affinis (D. Don) Greene | |
| Synonyms | |
| |
Bistorta affinis (synonyms Polygonum affine, Persicaria affinis), the Himalayan bistort, fleece flower, or knotweed, is a species of flowering plant in the family Polygonaceae, native to the Himalayas (Tibet, Nepal, northern India, Pakistan, Kashmir).