Small-headed knotweed

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Persicaria microcephala

Small-headed knotweed, a reference photo
Photo: Krzysztof Ziarnek, Kenraiz · CC BY-SA 4.0 (licence)

Persicaria microcephala (syn. Polygonum microcephalum), the small-headed knotweed, is a species of flowering plant in the family Polygonaceae. It is native to the Himalayas, and central and southern China, and it has been introduced to Great Britain. Its cultivar 'Red Dragon' has gained the Royal Horticultural Society's Award of Garden Merit.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Small-headed knotweed being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Caryophyllales
Family
Polygonaceae
Species
Persicaria microcephala

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