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Persicaria capitata

Species of plant From Wikipedia, the free encyclopedia

Persicaria capitata, the pink-headed persicaria,[2] pinkhead smartweed,[3] pink knotweed, Japanese knotweed, or pink bubble persicaria, is an Asian species of plants in the genus Persicaria within the Polygonaceae (US: buckwheat) family. It is native to Asia (China, South Asia, Indochina)[4] and grown as an ornamental in other countries. It has become naturalized in Australia, South Africa and a few scattered locations in the Americas.[5][6][7]

Clade:Embryophytes
Clade:Tracheophytes
Clade:Angiosperms
Clade:Eudicots
Quick facts Scientific classification, Binomial name ...
Persicaria capitata
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Persicaria
Species:
P. capitata
Binomial name
Persicaria capitata
(Buch.-Ham. ex D.Don) H.Gross 1913
Synonyms[1]
  • Polygonum capitatum Buch.-Ham. ex D. Don 1825
  • Cephalophilon capitatum (Buch.-Ham. ex D. Don) Tzvelev
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Description

Persicaria capitata is a prostrate herb.[6] The leaves are 1–6 cm long, 0.7–3 cm wide with pink to red bands or blotches and short scattered hairs.[6] The spikes are 5–10 mm long and 5–7 mm in diameter.[4]

Distribution and habitat

Persicaria capitata is a native of Asia. It has naturalised in parts of Australia[6] and North America.[3] Between 2008 and 2013 it has been recorded as an invasive plant in Ireland from the Counties Fermanagh, Kilkenny, Wexford and Mayo.[8]

Uses

Persicaria capitata has been widely used in China in the treatment of various urologic disorders including urinary calculi and urinary tract infections.[9]

See also

References

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