Reynoutria japonica Houttuyn
Detail
- Family
- Polygonaceae
- Botanical Name
- Reynoutria japonica Houttuyn
- Common Name
- Japanese Knotweed
- Synonym(s)
- Polygonum cuspidatum Siebold & Zucc.; Fallopia japonica (Houtt.) Ronse Decraene
- Flora of Virginia Name/Status
- Reynoutria japonica Houttuyn
- Comments
- This species can be terribly invasive on streamsides and other open alluvial situations. The hybrid with R. sachalinense may be found sparingly. It is reported (as Fallopia × bohemica) from Arlington Co. in Rhodora 105:150 (2003).
- Habitat
- Roadsides, stream banks, sand or gravel bars, and other open, disturbed habitats, often forming dense thickets. Infrequent to locally common throughout.
- Native Status
- Introduced
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