Bistorta macrophylla

Bistorta macrophylla
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Bistorta
Species:
B. macrophylla
Binomial name
Bistorta macrophylla
(D.Don) Sojak, 1974
Synonyms
  • Persicaria macrophylla (D.Don) Cubey
  • Polygonum macrophyllum D. Don
  • Bistorta sphaerostachya (Meisn.) Greene
  • Polygonum sphaerostachyum Meisn.

Bistorta macrophylla (syn. Polygonum macrophyllum, syn. Persicaria macrophylla) is a flowering plant species in the buckwheat family Polygonaceae.[1] It is native to mountain regions of West and South China (Gansu, Guizhou, Henan, Hubei, Qinghai, Shaanxi, Sichuan, Tibet, Yunnan), Bhutan, Nepal,[2] northern India (Himachal Pradesh, Uttarakhand), and Pakistan.

In Nepal, its rhizomes are dried to be used as food.[3]

In India (Uttarakhand), its leaves are used in traditional medicine to treat wounds.[4] The paste made from the roots is given to infants for stomach problems.[5]

Vernacular names:

  • English: red knotweed or large leaved knotweed
  • Chinese: 圆穗拳参; pinyin: yuan sui quan shen
  • Nepali: Dalle ghans, Dalle jhar[3]
  • India: Kukhri,[4] Chhota ninayin, Kande-re-ninai[5]

Compounds (-)-Epicatechin-5-O-beta-D-glucopyranoside, (+)-catechin-7-O-beta-D-glucopyranoside, 1-(3-O-beta-D-glucopyranosyl 4,5-dihydroxy-phenyl)-ethanone, (-)-epicatechin, chlorogenic acid and gallic acid can be found in the species.[6]

References

  1. ^ "The Plant List: Bistorta macrophylla (D.Don) Soják". Royal Botanic Gardens, Kew and Missouri Botanic Garden. 2013.
  2. ^ "Polygonum macrophyllum D. Don, Prodr. Fl. Nepal. 70. 1825". Flora of China. Retrieved 17 December 2018.
  3. ^ a b N.K. Bhattarai (1991). "Ethnobotanical studies in Central Nepal: The preservation of plant-foods" (PDF). Contribution to Nepalese Studies. 18 (2): 211–221.
  4. ^ a b Phondani, Prakash Chandra (2011). "Worth of Traditional Herbal System of Medicine for Curing Ailments Prevalent Across the Mountain Region of Uttarakhand, India". Journal of Applied Pharmaceutical Science. 1 (9): 81–86.
  5. ^ a b K. G. Mukerji; C. Manoharachary (2006). Current Concepts in Botany. I. K. International Pvt Ltd. p. 182. ISBN 978-81-88237-64-7.
  6. ^ Wang, S; Wang, D; Feng, S (2004). ". [Studies on chemical constituents from Polygonum macrophyllum]". Zhong Yao Cai (in Chinese). 27 (6): 411–3. PMID 15524292.
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