Persicaria microcephala
At the Missouri Botanical Garden
'Red Dragon' cultivar at RHS Garden Hyde Hall
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Persicaria
Species:
P. microcephala
Binomial name
Persicaria microcephala
(D.Don) H.Gross
Synonyms[1]
List
    • Ampelygonum microcephalum (D.Don) M.A.Hassan
    • Persicaria sphaerocephala (Wall. ex Meisn.) H.Gross
    • Polygonum ciliatum Buch.-Ham. ex D.Don
    • Polygonum microcephalum D.Don
    • Polygonum microcephalum var. sphaerocephalum (Wall. ex Meisn.) Murata
    • Polygonum podocephalum Klotzsch
    • Polygonum sphaerocephalum Wall. ex Meisn.
    • Polygonum staticiflorum Wall.
    • Polygonum wallichii Wight

Persicaria microcephala (syn. Polygonum microcephalum), the small-headed knotweed, is a species of flowering plant in the family Polygonaceae.[2] It is native to the Himalayas, and central and southern China, and it has been introduced to Great Britain.[1] Its cultivar 'Red Dragon' has gained the Royal Horticultural Society's Award of Garden Merit.[3]

Subtaxa

The following varieties are accepted:[1]

  • Persicaria microcephala var. microcephala
  • Persicaria microcephala var. sphaerocephala (Wall. ex Meisn.) H.Hara

References

  1. 1 2 3 "Persicaria microcephala (D.Don) H.Gross". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 14 May 2023.
  2. ↑ "Persicaria microcephala small-headed knotweed". Royal Horticultural Society. Retrieved 14 May 2023. 1 suppliers
  3. ↑ "Persicaria microcephala 'Red Dragon'PBR knotweed 'Red Dragon'". Royal Horticultural Society. Retrieved 14 May 2023. 39 suppliers


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