Persicaria elatior, commonly known as tall knotweed, is a species of flowering plant native to eastern Australia.[1] It was one of eleven species selected for the Save a Species Walk campaign in April 2016; scientists walked 300 km to raise money for collection of seeds to be prepared and stored at the Australian PlantBank at the Australian Botanic Garden, Mount Annan.[2]
| Persicaria elatior | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Caryophyllales |
| Family: | Polygonaceae |
| Genus: | Persicaria |
| Species: | P. elatior |
| Binomial name | |
| Persicaria elatior (R.Br.) K.L.Wilson | |
| Synonyms | |
Polygonum elatius R.Br. | |