• Family : Polygonaceae
  (Buckwheat Family)
• Family (Hindi name) : JANGLI PALAK FAMILY (जंगली पालक फैमिली)
• Family (as per The APG System III) : Polygonaceae
• Basionym : Polygonum capitatum Buch.-Ham. ex D.Don
• Synonym(s) : Polygonum repens Meisn.
• Species Name (as per The IPNI) : Persicaria capitata (Buch.-Ham. ex D.Don) H.Gross
• Common name : Pink Knotweed, Pink-head knotweed, Pink bubbles
• Vernacular name : Ratnyaule jhar (Nepali)
• Habit : Herb
• Habitat : Cultivated areas, banks,rocks
• Comments / notes : A low trailing and rooting perennial, with broadly ovate leaves, and with erect, sparingly branched stems.
• Key identification features : Terminal globular pink flower-head, stipules lax and brown-pepery
• Flower, Fruit : March-November
• Distribution :
  • Sikkim : Sikkim
  • Meghalaya : West Jaintia Hills (Jowai) district
• Native : Indian Subcontinent to S. China and Indo-China
• Exotic/Native : Native
• World Distribution : China South-Central, China Southeast, East Himalaya, India, Myanmar, Nepal, Sri Lanka, Thailand, Tibet, Vietnam, West Himalaya
• Literature : Oleg P & Adam S (1984). Flowers of Himalaya. Oxford University Press: 345; Nair, N. G (1977).Flora of Bashahr Himalayas. International Bioscience Publishers: 241; Balakrishnan, N. P. (1983). Flora of Jowai Vol.2. Published BSI: 391
• Citation : Sankara Rao, K., Navendu Page, Deepak Kumar (2020). Pan India Bouquets. http://flora-peninsula-indica.ces.iisc.ac.in/pan/plants.php?name=Persicaria capitata. Downloaded on 30 June 2022.

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