Himalayan knotweed

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Koenigia polystachya

Himalayan knotweed, a reference photo
Photo: Lamiot · CC BY-SA 3.0 (licence)

Koenigia polystachya is a species of flowering plant in the knotweed family, known by the common names Himalayan knotweed and cultivated knotweed. It has several regularly used synonyms, including Polygonum polystachyum, Aconogonon polystachyum and Persicaria wallichii.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Himalayan 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
Koenigia polystachya

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