Reynoutria japonica

species of plant
Taxon taxon Q18421053
Reynoutria japonica
W.carter · Public Domain · Wikimedia
Press Enter · cited answer in seconds

Summary

Reynoutria japonica is a taxon[1]. It ranks in the top 0.23% of taxon entities by monthly Wikipedia readership (12,652 views/month, #453 of 195,241).[2]

Key Facts

  • Instance of: invasive plant[3]
  • Taxon rank: species[4]
  • Parent taxon: Reynoutria[5]
  • Taxon name: Reynoutria japonica[6]
  • Subclass of: weed[7], edible wild plant[8]
  • Has use: food[9], medicinal plant[10], dye[11], dye plant[12]
  • Commons category: Reynoutria japonica[13]
  • Has part(s): oxalic acid[14]
  • Commons gallery: Reynoutria japonica[15]
  • Described by source: Gujin Tushu Jicheng[16], Zhiwu Mingshi Tukao[17], Flora Reipublicae Popularis Sinicae, volume 25(1)[18]
  • Taxon synonym: Polygonum cuspidatum[19], Polygonum japonicum[20], Fallopia japonica[21], Pleuropterus zuccarinii[22], Polygonum compactum[23], Polygonum reynoutria[24], Reynoutria compacta[25], Reynoutria hachidyoensis[26], Reynoutria uzenensis[27]
  • GRIN URL: https://npgsweb.ars-grin.gov/gringlobal/taxonomydetail.aspx?id=400616[28]
  • This taxon is source of: Reynoutria japonica leaf[29], Reynoutria japonica seed[30], Japanese knotweed seed powder[31]
  • Short name: R. japonica[32]
  • Taxon common name: křídlatka japonská[33], 虎杖[34], 黃藥子[35], Japanese Knotweed[36], japanintatar[37], Japanischer Staudenknöterich[38], 酸筒杆[39], 酸桶芦[40], 大接骨[41], 斑庄根[42], 虎杖叶[43], 贯脚[44], japonski dresnik[45]
  • Has part(s) of the class: wild food[46], fodder[47]
  • Habitat: solutional cave[48]
  • Associated hazard: photosensitivity[49]

Body

Identifiers

Reynoutria japonica's iNaturalist taxon ID is recorded as 914922[50]. Reynoutria japonica's NCBI taxonomy ID is recorded as 488216[51]. Reynoutria japonica's Encyclopedia of Life ID is recorded as 585404[52]. Reynoutria japonica's GBIF taxon ID is recorded as 2889173[53]. Reynoutria japonica's ITIS TSN is recorded as 520007[54].

Why It Matters

Reynoutria japonica has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[55] It is known by 33 alternative names across languages and contexts.[56]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . soppognyttevekster.no. Retrieved . soppognyttevekster.no. Provenance: wikidata.org.
  7. [9] ↑ . A Scientific Dataset of useful plants of China. wikidata.org.
  8. [10] ↑ . A Scientific Dataset of useful plants of China. wikidata.org.
  9. [11] ↑ . A Scientific Dataset of useful plants of China. wikidata.org.
  10. [12] ↑ . A Scientific Dataset of useful plants of China. wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . Plants for a Future. wikidata.org.
  13. [51] ↑ . Taxonomy database of the U.S. National Center for Biotechnology Information. Retrieved . wikidata.org.
  14. [54] ↑ . Integrated Taxonomic Information System. Retrieved . wikidata.org.
  15. [52] ↑ . Encyclopedia of Life. Retrieved . wikidata.org.
  16. [53] ↑ . Global Biodiversity Information Facility. Retrieved . wikidata.org.
  17. [15] ↑ . wikidata.org.
  18. [16] ↑ . wikidata.org.
  19. [17] ↑ . wikidata.org.
  20. [18] ↑ . wikidata.org.
  21. [19] ↑ . wikidata.org.
  22. [20] ↑ . wikidata.org.
  23. [21] ↑ . wikidata.org.
  24. [22] ↑ . wikidata.org.
  25. [23] ↑ . wikidata.org.
  26. [24] ↑ . wikidata.org.
  27. [25] ↑ . wikidata.org.
  28. [26] ↑ . wikidata.org.
  29. [27] ↑ . wikidata.org.
  30. [28] ↑ . GRIN Taxonomy for Plants. Retrieved . wikidata.org.
  31. [29] ↑ . wikidata.org.
  32. [30] ↑ . wikidata.org.
  33. [31] ↑ . wikidata.org.
  34. [32] ↑ . wikidata.org.
  35. [33] ↑ . Portál informačního systému ochrany přírody. Retrieved . portal.nature.cz. Provenance: wikidata.org.
  36. [34] ↑ . Catalogue of Life in Taiwan. Retrieved . wikidata.org.
  37. [35] ↑ . Catalogue of Life in Taiwan. Retrieved . wikidata.org.
  38. [36] ↑ . Botanical Society of Britain and Ireland. wikidata.org.
  39. [37] ↑ . Finnish Biodiversity Information Facility. Retrieved . laji.fi. Provenance: wikidata.org.
  40. [38] ↑ . wikidata.org.
  41. [39] ↑ . List of plant species in China (2022 Edition). wikidata.org.
  42. [40] ↑ . List of plant species in China (2022 Edition). wikidata.org.
  43. [41] ↑ . List of plant species in China (2022 Edition). wikidata.org.
  44. [42] ↑ . List of plant species in China (2022 Edition). wikidata.org.
  45. [43] ↑ . A Scientific Dataset of useful plants of China. wikidata.org.
  46. [44] ↑ . A Scientific Dataset of useful plants of China. wikidata.org.
  47. [45] ↑ . wikidata.org.
  48. [46] ↑ . Plants for a Future. wikidata.org.
  49. [47] ↑ . Germplasm Resources Information Network. wikidata.org.
  50. [48] ↑ . wikidata.org.
  51. [50] ↑ . wikidata.org.
  52. [49] ↑ . Plants for a Future. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [55] ↑ . Wikidata sitelinks. wikidata.org.
  3. [56] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Reynoutria japonica. Retrieved October 16, 2026, from https://4ort.xyz/entity/reynoutria-japonica
MLA “Reynoutria japonica.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/reynoutria-japonica.
BibTeX @misc{4ortxyz_reynoutria-japonica_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Reynoutria japonica}}, year = {2026}, url = {https://4ort.xyz/entity/reynoutria-japonica}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Reynoutria japonica — https://4ort.xyz/entity/reynoutria-japonica (retrieved 2026-10-16)

Canonical URL: https://4ort.xyz/entity/reynoutria-japonica · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 22d ago · Printstream · 2026-09-27 view diff on Wikidata ↗
    Gnd id → 4388251-1
    Sernec taxon id → 97971, 96325, 117892
    Wikipedia languages → ['bg', 'ca', 'ceb', 'commons', 'cs', 'cy', 'da', 'de', 'en', 'eo', 'es', 'et', '
    Claims rich → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/56529|batch #56529]]: Import GNDs from dewiki"
  2. 7w ago · LeoGe25 · 2026-08-31 view diff on Wikidata ↗
    Sernec taxon id → 97971, 96325, 117892
    "/* wbsetclaim-create:1||1 */ Sernec taxon id: 96325, Matched to [[:toollabs:mix-n-match/#/entry/319988540|Reynoutria japonica (#319988540)]] in [[:toollabs:mix-n-match/#/catalog/8373|SERNEC taxon]"
  3. 8w ago · Mrwdat3 · 2026-08-22 view diff on Wikidata ↗
    Apni id → 57631, 441350
    "/* wbcreateclaim-create:1| */ Apni id: 441350, [[:toollabs:quickstatements/#/batch/269298|batch #269298]]"
  4. 20w ago · Twofivesixbot bot · 2026-05-31 view diff on Wikidata ↗
    Described by source → Gujin Tushu Jicheng, Zhiwu Mingshi Tukao, Flora Reipublicae Popularis Sinicae, volume 25(1)
    Local thumb → —
    "/* wbsetclaim-update-qualifiers:1||1|4 */ National library of israel j9u id: 987007542012105171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.