
thumb|Illustration from the Japanese agricultural encyclopedia Seikei Zusetsu (1804)
GENUS
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thumb|Illustration from the Japanese agricultural encyclopedia Seikei Zusetsu (1804)
Persicaria is a genus of herbaceous flowering plants in the knotweed family, Polygonaceae. Plants of the genus are known commonly as knotweeds or smartweeds. It has a cosmopolitan distribution, with species occurring nearly worldwide. The genus was segregated from Polygonum.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).