ON THIS PLANT
Koenigia weyrichii (synonym Persicaria weyrichii), the Chinese knotweed or Weyrich's knotweed, is a large, perennial, rhizomatous herb native to East Asia. It is one of the parents of the cultivated hybrid Koenigia × fennica, the other being Koenigia alpina.
CHARACTERISTICS
Botanical profile.
- Genus
- Koenigia
- Family
- Polygonaceae
ALSO KNOWN AS
Other names.
en Chinese knotweed
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