Bistorta macrophylla explained

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, northern India (Himachal Pradesh, Uttarakhand), and Pakistan.

In Nepal, its rhizomes are dried to be used as food.^[2]

In India (Uttarakhand), its leaves are used in traditional medicine to treat wounds.^[3] The paste made from the roots is given to infants for stomach problems.^[4]

Vernacular names:

• English: red knotweed or large leaved knotweed
  • Nepali: Dalle ghans, Dalle jhar^[2]
• India: Kukhri,^[3] Chhota ninayin, Kande-re-ninai^[4]

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.^[5]

External links

• efloras.org

Notes and References

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