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 Family : POLYGONACEAE(Buckwheat Family)
 Family (Hindi name) : JANGLI PALAK FAMILY (जंगली पालक फैमिली)  Family (as per The APG System III) : Polygonaceae Basionym : Polygonum polystachyum Wall. ex Meisn.  Synonym(s) : Aconogonon polystachyum (Wall. ex Meisn.) M.Král; Aconogonon polystachyum var. pubescens (Meisn.) P.D.Sell; Persicaria polystachya (Wall. ex Meisn.) H.Gross; Persicaria wallichii Greuter & Burdet; Persicaria wallichii var. pubescens (Meisn.) Akeroyd; Persicaria wallichii var. tomentosa S.P.Hong; Peutalis polystachya (Wall. ex Meisn.) Raf.; Pleuropteropyrum hagei (Royle ex Bab.) Munshi & Javeid; Pleuropteropyrum polystachyum (Wall. ex Meisn.) Munshi & Javeid; Polygonum hagei Royle ex Bab.; Polygonum molle Wight; Polygonum polystachyum var. pubescens Meisn.; Reynoutria polystachya (Wall. ex Meisn.) Moldenke; Rubrivena polystachya (Wall. ex Meisn.) M.Král  Species Name (as per The IPNI) : Koenigia polystachya (Wall. ex Meisn.) T.M.Schust. & Reveal  Common name : Himalayan knotweed, Cultivated knotweed  Habit : Herb  Habitat : Rocky areas, grassy slopes, irrigation channels, roadsides and damp ground amongst shrubs, 3000 - 3950 m. altitude  Key identification features : Herbs or undershrubs, up to 2 m tall; branches grooved, glabrous or pubescent; Leaves oblong-Ianceolate, cordate or truncate at base; Flowers in large, terminal, thyrsoid panicles, white.   Flower, Fruit : July-October  Distribution : 
 Uttarakhand : Uttarakhand  Himachal Pradesh : Kinnaur district  Arunachal Pradesh : Kameng, Tawang 
 Native : Afghanistan, Bhutan, China, India, Nepal, Pakistan, Tibet  Exotic/Native : Native  World Distribution : Afghanistan to South Central China and Austria, Belgium, British Columbia, California, Czechoslovakia, Denmark, France, Germany, Great Britain, Ireland, Korea, Massachusetts, Myanmar, Netherlands, Newfoundland, Norway, Oregon, Sweden, Switzerland  Literature :
Uniyal B.P., Sharma J.R., Choudhery U., Singh D.K. (2007). Flowering Plants of Uttarakhand: A Checklist. Bishen Singh Mahendra Pal Singh: 208  GRIERSON A.J.C. & LONG D.G. (1983). FLORA OF BHUTAN INCLUDING A RECORD OF PLANTS FROM SIKKIM Vol. 1: Part 1. ROYAL BOTANIC GARDEN, EDINBURGH: 156-157  G.S Giri., A.Pramanik., H.J. Chowdhery., G.D Pal and S.K. Das (2008). Materials for Arunachal Pradesh, Vol (2), Pg: 314 
 Read more :
 Permalink : http://indiaflora-ces.iisc.ac.in/plants.php?name=Persicaria polystachya Citation : Sankara Rao, K., Deepak Kumar (2025). India Flora Online. http://indiaflora-ces.iisc.ac.in/plants.php?name=Persicaria polystachya. Downloaded on  31 October 2025. |  | 
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