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  2. Persicaria lapathifolia - Wikipedia

    en.wikipedia.org/wiki/Persicaria_lapathifolia

    Other common names for the plant include pale smartweed, curlytop knotweed, and willow weed. It is a species complex made up of a great many varying forms, sometimes considered varieties. The environment also has a strong influence on the morphology of an individual plant.

  3. Persicaria hydropiperoides - Wikipedia

    en.wikipedia.org/wiki/Persicaria_hydropiperoides

    Swamp smartweed is quite variable and is sometimes divided into several varieties, some of which may be better treated as species in their own right. [2] In general, swamp smartweed is a rhizomatous perennial herb growing upright or erect and approaching a maximum height of one meter (40 inches). Roots may emerge from nodes on the lower stem.

  4. Persicaria - Wikipedia

    en.wikipedia.org/wiki/Persicaria

    Persicaria is a genus of herbaceous flowering plants in the knotweed family, Polygonaceae. Plants of the genus are known commonly as knotweeds [2]: 436 or smartweeds. [3] It has a cosmopolitan distribution, with species occurring nearly worldwide. [3] [4] The genus was segregated from Polygonum. [5]

  5. Persicaria hydropiper - Wikipedia

    en.wikipedia.org/wiki/Persicaria_hydropiper

    Persicaria hydropiper (syn. Polygonum hydropiper), also known as water pepper, marshpepper knotweed, arse smart [2] or tade, is a plant of the family Polygonaceae.A widespread species, Persicaria hydropiper is found in Australia, New Zealand, temperate Asia, Europe and North America.

  6. Persicaria longiseta - Wikipedia

    en.wikipedia.org/wiki/Persicaria_longiseta

    Persicaria longiseta is a species of flowering plant in the knotweed family known by the common names Oriental lady's thumb, bristly lady's thumb, Asiatic smartweed, long-bristled smartweed, low smartweed, Asiatic waterpepper, bristled knotweed, bunchy knotweed, and tufted knotweed.

  7. Persicaria virginiana - Wikipedia

    en.wikipedia.org/wiki/Persicaria_virginiana

    Persicaria virginiana, also called jumpseed, [2] Virginia knotweed or woodland knotweed [3] is a North American species of smartweed within the buckwheat family. It is unusual as a shade-tolerant member of a mostly sun-loving genus. Jumpseed is a perennial, named for its seeds which can "jump" several feet when a ripe seedpod is disturbed.

  8. Persicaria amphibia - Wikipedia

    en.wikipedia.org/wiki/Persicaria_amphibia

    Persicaria amphibia (syn. Polygonum amphibium) is a species of flowering plant in the knotweed family known by several common names, including longroot smartweed, water knotweed, water smartweed, and amphibious bistort.

  9. Persicaria maculosa - Wikipedia

    en.wikipedia.org/wiki/Persicaria_maculosa

    Persicaria maculosa (syn. Polygonum persicaria) is an annual plant in the buckwheat family, Polygonaceae. Common names include lady's thumb, [4] spotted lady's thumb, Jesusplant, and redshank. [5] [6] It is widespread across Eurasia from Iceland south to Portugal and east to Japan.