Persicaria polystachya (Wall. ex Meisn.) H.Gross

 
  • 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 : Perennial 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 :
  • Citation : Sankara Rao, K., Deepak Kumar (2024). India Flora Online. http://indiafloraonline-ces.iisc.ac.in/plants.php?name=Persicaria polystachya. Downloaded on 21 November 2024.

India Distribution

World Distribution

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