Chinese knotweed

English en Noun - A flowering plant of species Persicaria chinensis species, from the family Polygonaceae family, widespread across China, Japan, the Indian Subcontinent, Indonesia, Malaysia, and Vietnam, used as an ingredient in herbal remedies. en creeping smartweed A flowering plant of species Reynoutria multiflora species, in the family Polygonaceae family, native to central and southern China, whose roots are an important ingredient in traditional Chinese medicine. en tuber fleeceflower A large, perennial, rhizomatous herb, of species Koenigia weyrichii species, native to East Asia. en Weyrich's knotweed