Polygonum ramosissimum

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Welwitschia mirabilis or Amborella trichopoda

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Giant Redwood, Tollkirscheor 芙蕖

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endangered perennial medicinal 2024 1977

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4672364-4 or Q36484

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Home Plants magnoliophyta magnoliopsida caryophyllales polygonaceae polygonum Polygonum ramosissimum

Michx.

1803

bushy knotweed

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Climate | Habitat | History | Research

Summary

Polygonum ramosissimum is a North American species of herbaceous annual plants in the buckwheat family, widespread across much of Canada and the United States, where it is commonly called bushy knotweed. It is susceptible to downy mildew caused by the oomycete species Peronospora americana....read more on Wikipedia.