''Koenigia weyrichii'' (
synonym
A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are all ...
''Persicaria weyrichii''),
[ the Chinese knotweed]herb
In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...
native to East Asia
East Asia is the eastern region of Asia, which is defined in both geographical and ethno-cultural terms. The modern states of East Asia include China, Japan, Mongolia, North Korea, South Korea, and Taiwan. China, North Korea, South Korea and ...
.
It is one of the parents of the cultivated hybrid ''Koenigia'' × ''fennica'', the other being ''Koenigia alpina
''Koenigia alpina'' (synonym ''Aconogonon alpinum''), commonly known as alpine knotweed, is similar to '' Koenigia alaskana'', but differs in leaf size and achene characteristics. It is native to Europe and temperate Asia.
It is one of the pare ...
''.[
]
References
Online Atlas of the British & Irish Flora entry
Polygonoideae
{{Polygonaceae-stub