Pleuropterus multiflorus

Pleuropterus multiflorus

Pleuropterus multiflorus

Taxonavigation

Taxonavigation: Caryophyllales
Classification System: APG IV Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Cladus: Angiosperms Cladus: Mesangiospermae Cladus: Eudicota Cladus: Core eudicots Ordo: Caryophyllales

Familia: Polygonaceae
Subfamilia: Polygonoideae
Tribus: Polygoneae
Subtribus: Polygoninae
Genus: Pleuropterus
Species: Pleuropterus multiflorus

Name

Pleuropterus multiflorus (Thunb.) Turcz. ex Nakai in Repert. Spec. Nov. Regni Veg. 13: 267 (1914)

Synonyms

• Homotypic
  • Bilderdykia multiflora (Thunb.) Roberty & Vautier in Boissiera 10: 55 (1964)
  • Fagopyrum multiflorum (Thunb.) Grinţ. in T.Săvulescu, Fl. Republ. Popul. Român. 1: 476 (1952)
  • Fallopia multiflora (Thunb.) Haraldson in Symb. Bot. Upsal. 22(2): 77 (1978)
  • Helxine multiflorum (Thunb.) Raf. in Fl. Tellur. 3: 10 (1837)
  • Polygonum multiflorum Thunb. in J.A.Murray (ed.), Syst. Veg., ed. 14.: 379 (1784)
  • Reynoutria multiflora (Thunb.) Moldenke in Bull. Torrey Bot. Club 68: 675 (1941)
• Heterotypic
  • Aconogonon hypoleucum (Ohwi) Soják in Preslia 46: 151 (1974)
  • Fallopia multiflora var. hypoleuca (Ohwi) Yonek. & H.Ohashi in J. Jap. Bot. 72: 158 (1997)
  • Pleuropterus cordatus Turcz. in Bull. Soc. Imp. Naturalistes Moscou 21(I): 587 (1848)
  • Pleuropterus hypoleucus Nakai in Rigakkwai 24(4): 6 (1926), nom. nud.
  • Polygonum chinense Houtt. in Nat. Hist. 2(8): 479 (1777), nom. illeg. homonym. post.
  • Polygonum hypoleucum (Nakai) Kudô & Sasaki in Rep. (Annual) Taihoku Bot. Gard. 1: 26 (1931), not validly publ.
  • Polygonum hypoleucum Ohwi in Acta Phytotax. Geobot. 7: 130 (1938)
  • Polygonum multiflorum var. hypoleucum (Ohwi) T.S.Liu, S.S.Ying & M.J.Lai in Fl. Taiwan 2: 274 (1976)
  • Reynoutria multiflora var. hypoleuca (Ohwi) S.S.Ying in New Taxa New Names 2: 142 (2022)
    

Note: POWO (2026) accept this segregation, but see Hassler (2026) for an alternative taxonomy who prefer Reynoutria multiflora (Thunb.) Moldenke Bull. Torrey Bot. Club 68: 675. (1941).

Distribution

Native distribution areas:
Continentalː Asia-temperate Regionalː China China North-Central, China South-Central, China Southeast, Hainan, Taiwan Regionalː South-eastern Asia Thailand, Vietnam Introduced into: Japan, Korea, Transcaucasus References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Turcz. ex Nakai, 1914. Repertorium Specierum Novarum Regni Vegetabilis 13: 267

Additional references

• Wen, G.H., Yang, J.Y., Hu, H., Li, J.H. & Xu, B.Q. 2024. Recognition of Pleuropterus angulatus (Polygonaceae) as a separate species: evidence from morphological and molecular data. Phytotaxa 668(1): 99-107. DOI: 10.11646/phytotaxa.668.1.6 Reference page. 

Links

• Govaerts, R. et al. 2026. Pleuropterus multiflorus in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2026 July 09. Reference page. 
• Hassler, M. 2026. Pleuropterus multiflorus. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2026. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2026 July 11. Reference page. 
• International Plant Names Index. 2026. Pleuropterus multiflorus. Published online. Accessed: July 09 2026. Reference page.

Vernacular names

• English: Chinese Knotweed
• 中文: 何首乌

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