Bistorta macrophylla

Bistorta macrophylla
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Core 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 China (Gansu, Guizhou, Henan, Hubei, Qinghai, Shaanxi, Sichuan, Xizang, Tibet, Yunnan), Pakistan, Bhutan, North (Himachal Pradesh, Uttarakhand) and West India (Western Ghats) and Nepal.

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
Chinese: 圆穗拳参 yuan sui quan shen
Nepali: Dalle ghans, Dalle jhar^[2]
India: Kukhri,^[3] Chhota ninayin, Kande-re-ninai^[4]

(-)-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]

References

^ "The Plant List: Bistorta macrophylla (D.Don) Soják". Royal Botanic Gardens, Kew and Missouri Botanic Garden. 2013.
^ ^a ^b Ethnobotanical studies in Central Nepal: The preservation of plant-foods. N.K Bhattarai, Contribution to Nepalese studies, CNAS, Tribhuvan University, July 1991, Vol. 18, No. 2 (article)
^ ^a ^b Worth of Traditional Herbal System of Medicine for Curing Ailments Prevalent Across the Mountain Region of Uttarakhand, India. Prakash Chandra Phondani, Journal of Applied Pharmaceutical Science, 2011, 01 (09), pages 81-86 (article^{[permanent dead link]})
^ ^a ^b Current Concepts In Botany. K. G. Mukerji and C. Manoharachary, 2006 (book)
^ Wang, S; Wang, D; Feng, S (2004). "Studies on chemical constituents from Polygonum macrophyllum". Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials. 27 (6): 411–3. PMID 15524292.

External links

"Bistorta macrophylla" at the Encyclopedia of Life

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[PlantList-1] "The Plant List: Bistorta macrophylla (D.Don) Soják". Royal Botanic Gardens, Kew and Missouri Botanic Garden. 2013.

[Bhattarai-2] Ethnobotanical studies in Central Nepal: The preservation of plant-foods. N.K Bhattarai, Contribution to Nepalese studies, CNAS, Tribhuvan University, July 1991, Vol. 18, No. 2 (article)

[hondani-3] Worth of Traditional Herbal System of Medicine for Curing Ailments Prevalent Across the Mountain Region of Uttarakhand, India. Prakash Chandra Phondani, Journal of Applied Pharmaceutical Science, 2011, 01 (09), pages 81-86 (article^{[permanent dead link]})

[Mukerji-4] Current Concepts In Botany. K. G. Mukerji and C. Manoharachary, 2006 (book)

[5] Wang, S; Wang, D; Feng, S (2004). "Studies on chemical constituents from Polygonum macrophyllum". Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials. 27 (6): 411–3. PMID 15524292.

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