Meanings
- uncountableA flowering plant of species Persicaria chinensis, from the family Polygonaceae, widespread across China, Japan, the Indian Subcontinent, Indonesia, Malaysia, and Vietnam, used as an ingredient in herbal remedies.
Synonyms: creeping smartweed
- uncountableA flowering plant of species Reynoutria multiflora, in the family Polygonaceae, native to central and southern China, whose roots are an important ingredient in traditional Chinese medicine.
Synonyms: tuber fleeceflower
- uncountableA large, perennial, rhizomatous herb, of species Koenigia weyrichii, native to East Asia.
Synonyms: Weyrich's knotweed
Synonyms & antonyms
nounA flowering plant of species Persicaria chinensis, from the family Polygonaceae, widespread across China, Japan, the Indian Subcontinent, Indonesia, Malaysia, and Vietnam, used as an ingredient in herbal remedies.
nounA flowering plant of species Reynoutria multiflora, in the family Polygonaceae, native to central and southern China, whose roots are an important ingredient in traditional Chinese medicine.
nounA large, perennial, rhizomatous herb, of species Koenigia weyrichii, native to East Asia.
Cite this entry
Chinese knotweed. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Chinese%20knotweed
“Chinese knotweed.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Chinese%20knotweed. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “Chinese knotweed,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Chinese%20knotweed.
Source: Chinese knotweed on Wiktionary, CC BY-SA 4.0.