General Plant Information (Edit)
| Water Preferences: |
Mesic
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- Himalayan Knotweed
- Cultivated Knotweed
- Accepted: Koenigia polystachya
- Synonym: Polygonum polystachyum
- Synonym: Rubrivena polystachya
- Synonym: Persicaria wallichii
- Synonym: Aconogonon polystachyum
- Synonym: Polygonum polystachyum var. longifolia
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