Persicaria capitata

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Persicaria capitata
Persicaria capitata AF crop.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Persicaria
Binomial name
Persicaria capitata
(Buch.-Ham. ex D.Don) H.Gross

Polygonum capitatum Buch.-Ham. ex D. Don

Persicaria capitata (pink knotweed, Japanese knotweed or pink bubble persicaria) is an ornamental plant of the Persicaria genus in the Polygonaceae family.


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

This plant has a strong urine-scented odour.

Distribution and habitat[edit]

Persicaria capitata is a native of Asia. It has naturalised in parts of Australia[1] and North America.[2]


Persicaria capitata has been widely used in China in the treatment of various urologic disorders including urinary calculus and urinary tract infections.[3]

See also[edit]


  1. ^ a b c "Persicaria capitata". New South Wales Flora Online. Retrieved 2009-07-25. 
  2. ^ USDA Plants Profile
  3. ^ Liao SG, Zhang LJ, Sun F, Zhang JJ, Chen AY, Lan YY, Li YJ, Wang AM, He X, Xiong Y, Dong L, Chen XJ, Li YT, Zuo L, Wang YL, "Antibacterial and anti-inflammatory effects of extracts and fractions from Polygonum capitatum." J Ethnopharmacol. 2011 Feb 3; Authors:

External links[edit]