Pollinator plant

red bistort

Persicaria amplexicaulis

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Common names

22 names · 14 languages
EnglishYour language
  • Firetail Mountain Fleece[5]
  • Knotweed[5]
  • Mountain Fleece[5]
+3 more namesShow fewer names
Other languages (13)
Dutch
French
Chinese (Simplified)
Chinese (Traditional)
Czech
  • hadí kořen objímavý[4]
Danish
  • Kærtepileurt[4]
Finnish
  • verikonnantatar[4]
German
Pashto
  • ماسلون[4]
Polish
  • rdest himalajski[4]
Russian
  • Змеевик стеблеобъемлющий[4]
Slovak
  • hadovník objímavý[4]
Swedish
  • Blodormrot[4]
Sources & name notes (5)

Names recorded in our plant catalogue and botanical sources, grouped by language. Usage can vary by region.

Catalogue language labels are reviewed separately from botanical source records.

Numbered references identify names recorded by an external source. Other names are from our plant catalogue.

[1] Royal Horticultural Society — common names ↗

Names retained from the referenced botanical profile or table.

Source records
  • red bistort — Page 3, column 1, row top 127 pt; common-name cell after Bistorta amplexicaulis.; Bistorta amplexicaulis.
[2] Bistorta amplexicaulis — iNaturalist taxon names ↗

Community-curated iNaturalist taxonomy. This is a common-name attestation, not an independent botanical determination.

Source records
  • red bistort — results[0].names[1]; taxon id 752465; Bistorta amplexicaulis.
  • Kerzen-Wiesenknöterich — results[0].names[12]; taxon id 752465; Bistorta amplexicaulis.
  • Renouée ornementale — results[0].names[2]; taxon id 752465; Bistorta amplexicaulis.
  • Doorgroeide duizendknoop — results[0].names[3]; taxon id 752465; Bistorta amplexicaulis.
  • Rode adderwortel — results[0].names[13]; taxon id 752465; Bistorta amplexicaulis.
[3] Catalogue of Life 2026-08-20 — Bistorta amplexicaulis ↗

Common names from World Plants, version 26.05, reproduced in Catalogue of Life 2026-08-20. License: CC BY.

Source records
  • Red Bistort (EN) — VernacularName.tsv, line 150052; taxon LX55.
  • Kerzen-Wiesenknöterich (DE) — VernacularName.tsv, line 150051; taxon LX55.
[4] Bistorta amplexicaulis — iNaturalist taxon names ↗

Community-curated iNaturalist taxonomy; common-name attestation, not an independent botanical determination.

Source records
  • red bistort — results[9].names[1]; taxon id 752465; Bistorta amplexicaulis.
  • Kerzen-Wiesenknöterich — results[9].names[12]; taxon id 752465; Bistorta amplexicaulis.
  • Renouée ornementale — results[9].names[2]; taxon id 752465; Bistorta amplexicaulis.
  • Doorgroeide duizendknoop — results[9].names[3]; taxon id 752465; Bistorta amplexicaulis.
  • Rode adderwortel — results[9].names[13]; taxon id 752465; Bistorta amplexicaulis.
  • Blodormrot — results[9].names[4]; taxon id 752465; Bistorta amplexicaulis.
  • Kærtepileurt — results[9].names[5]; taxon id 752465; Bistorta amplexicaulis.
  • verikonnantatar — results[9].names[6]; taxon id 752465; Bistorta amplexicaulis.
  • rdest himalajski — results[9].names[7]; taxon id 752465; Bistorta amplexicaulis.
  • Змеевик стеблеобъемлющий — results[9].names[8]; taxon id 752465; Bistorta amplexicaulis.
  • hadí kořen objímavý — results[9].names[9]; taxon id 752465; Bistorta amplexicaulis.
  • 红拳参 — results[9].names[10]; taxon id 752465; Bistorta amplexicaulis.
  • 紅拳參 — results[9].names[11]; taxon id 752465; Bistorta amplexicaulis.
  • 抱茎蓼 — results[9].names[14]; taxon id 752465; Bistorta amplexicaulis.
  • 包茎拳参 — results[9].names[15]; taxon id 752465; Bistorta amplexicaulis.
  • hadovník objímavý — results[9].names[16]; taxon id 752465; Bistorta amplexicaulis.
  • ماسلون — results[9].names[17]; taxon id 752465; Bistorta amplexicaulis.
[5] Bistorta amplexicaulis — Plant Toolbox common names ↗

NC State Extension Gardener Plant Toolbox; English common names in a United States horticultural reference.

Source records
  • Firetail Mountain Fleece — ul#common_names > li:nth-of-type(1); heading: Common Name(s):; Bistorta amplexicaulis.
  • Knotweed — ul#common_names > li:nth-of-type(2); heading: Common Name(s):; Bistorta amplexicaulis.
  • Mountain Fleece — ul#common_names > li:nth-of-type(3); heading: Common Name(s):; Bistorta amplexicaulis.
  • Red Bistorta — ul#common_names > li:nth-of-type(4); heading: Common Name(s):; Bistorta amplexicaulis.
  • Red Mountain Fleeceflower — ul#common_names > li:nth-of-type(5); heading: Common Name(s):; Bistorta amplexicaulis.
Plant references

Source-backed information

Published observations for this plant. Each reference supports the information beside it.

Taxonomy
Catalogue of Life treats Persicaria amplexicaulis as a synonym of Bistorta amplexicaulis.

Taxonomic treatment in the August 2026 release; the catalogue record name is preserved.

Sources [1] [2]
Botanical family
Polygonaceae

Family in the cited taxonomic treatment.

Sources [2]
Mature height
0.91–1.22 m

NC State Extension profile, published as Bistorta amplexicaulis; accepted-name linkage follows Catalogue of Life. Converted from the source range in feet and inches; mature size varies with growing conditions.

Sources [3]
Mature spread
0.91–1.22 m

NC State Extension profile, published as Bistorta amplexicaulis; accepted-name linkage follows Catalogue of Life. Converted from the source range in feet and inches; mature size varies with growing conditions.

Sources [3]
Plant habit
Erect; Mounding

NC State Extension profile, published as Bistorta amplexicaulis; accepted-name linkage follows Catalogue of Life.

Sources [3]
Life cycle
Perennial

NC State Extension profile, published as Bistorta amplexicaulis; accepted-name linkage follows Catalogue of Life.

Sources [3]
Growth rate
Medium

NC State Extension profile, published as Bistorta amplexicaulis; accepted-name linkage follows Catalogue of Life.

Sources [3]
Light
Full sun (6 or more hours of direct sunlight a day); Partial Shade (Direct sunlight only part of the day, 2-6 hours)

NC State Extension profile, published as Bistorta amplexicaulis; accepted-name linkage follows Catalogue of Life.

Sources [3]
Moisture and drainage
Good Drainage; Occasionally Wet

NC State Extension profile, published as Bistorta amplexicaulis; accepted-name linkage follows Catalogue of Life.

Sources [3]
Soil texture
Clay; Loam (Silt)

NC State Extension profile, published as Bistorta amplexicaulis; accepted-name linkage follows Catalogue of Life.

Sources [3]
Soil pH
Neutral (6.0-8.0)

NC State Extension profile, published as Bistorta amplexicaulis; accepted-name linkage follows Catalogue of Life. These source categories do not certify the catalogue’s numeric pH interval.

Sources [3]
Flowering season
Autumn; Summer

NC State Extension profile, published as Bistorta amplexicaulis; accepted-name linkage follows Catalogue of Life. Seasons reflect the source region and do not verify the catalogue’s exact flowering months.

Sources [3]
Reported wildlife attraction
Listed as attracting: bees, butterflies, pollinators.

NC State Extension profile, published as Bistorta amplexicaulis; accepted-name linkage follows Catalogue of Life. Broad wildlife categories; this does not establish flower visits by a named bee species or quantify nectar and pollen.

Sources [3]
Pollinator guidance
RHS includes Bistorta amplexicaulis in its Plants for Pollinators guidance.

RHS planting guidance. Choose accessible flowers with pollen and nectar; reduced-resource and double-flowered forms may be unsuitable.

Sources [4]
Native range
E. Afghanistan to C. China.

Explicit native locality records in Kew WCVP v16; introduced and doubtful distributions excluded. Continent conversion follows the documented geographic mapping.

Sources [5]
Catalogue ratings

Who this plant supports

Honey bees

High suitability
Nectar value High
Pollen value Unknown
Plant profile

About this plant

red bistort (Persicaria amplexicaulis) is a herbaceous plant. It flowers from July to September.

Sources and references

References for the information marked with source numbers on this page.

Sources checked
  1. Catalogue of Life Persicaria amplexicaulis — Catalogue of Life COL26.8

    COL26.8 (2026-08-20). Contributing checklist: Synonymic Checklists of the Vascular Plants of the World. This is taxonomic evidence, not an independent ecological study.

    Supports: Taxonomy
    Relevant sections
    • Taxonomy: NameUsage.tsv line 887374; ID 4F9Q4; rank species; status synonym

    Source checked on .

    Source data licence: CC BY 4.0.

  2. Catalogue of Life Bistorta amplexicaulis — Catalogue of Life COL26.8

    COL26.8 (2026-08-20). Contributing checklist: Synonymic Checklists of the Vascular Plants of the World. This is taxonomic evidence, not an independent ecological study.

    Supports: TaxonomyBotanical family
    Relevant sections
    • Taxonomy: NameUsage.tsv line 5006067; ID LX55; rank species; status accepted
    • Botanical family: NameUsage.tsv line 5006067; ID LX55; rank species; status accepted

    Source checked on .

    Source data licence: CC BY 4.0.

  3. NC State Extension Bistorta amplexicaulis — Plant Toolbox

    NC State Extension Gardener Plant Toolbox. Growing conditions and seasons reflect its United States horticultural context.

    Supports: Mature heightMature spreadPlant habitLife cycleGrowth rateLightMoisture and drainageSoil textureSoil pHFlowering seasonReported wildlife attraction
    Relevant sections
    • Mature height: Dimensions / Height
    • Mature spread: Dimensions / Width
    • Plant habit: Habit/Form
    • Life cycle: Life Cycle
    • Growth rate: Growth Rate
    • Light: Light
    • Moisture and drainage: Soil Drainage
    • Soil texture: Soil Texture
    • Soil pH: Soil pH
    • Flowering season: Flower Bloom Time
    • Reported wildlife attraction: Attracts

    Source checked on .

  4. Royal Horticultural Society RHS Plants for Pollinators — Garden Plants

    RHS planting guidance; applicable flower-form restrictions are retained. General recommendations do not measure local nectar or pollen production.

    Supports: Pollinator guidance
    Relevant sections
    • Pollinator guidance: Page 3, column 1, entry Bistorta amplexicaulis (top 127 pt)

    Source checked on .

  5. Royal Botanic Gardens, Kew Bistorta amplexicaulis — Kew WCVP native distribution

    Native distribution and taxonomic treatment from the official WCVP v16 export (4 June 2026). The link opens the corresponding POWO taxon. Source rows are retained in the native-range audit archive.

    Supports: Native range
    Relevant sections
    • Native range: WCVP v16; wcvp_names.csv lines 668988, 1328559; wcvp_distribution.csv native locality lines 1211196, 1211197, 1211198, 1211199, 1211200, 1211201, 1211202, 1211203

    Source checked on .

    Source data licence: CC BY 3.0.