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Persicaria capitata
Species of plant From Wikipedia, the free encyclopedia
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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]
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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
- Reynoutria japonica for another plant species called Japanese knotweed.
References
External links
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