Glehnia

Glehnia
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Apiales
Family:	Apiaceae
Subfamily:	Apioideae
Tribe:	Selineae
Genus:	Glehnia; F.Schmidt
Species:	G. littoralis
Binomial name
	Glehnia littoralis; F. Schmidt ex Miq.

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Glehnia is a genus of plants in the carrot family, Apiaceae. It is monotypic, being represented by the single species, Glehnia littoralis,^[1] commonly known as beach silvertop and American silvertop. The genus was named after Russian botanist Peter von Glehn.^[2]

Description

It is a long-taprooted plant forming a basal patch of leaves, with each leaf made up of several rounded, lobular segments. It reaches a maximum height exceeding .5 metres (1+1⁄2 feet), with the North American subspecies only reported to reach 6.5 centimetres (2+1⁄2 inches).^[3] The plant's erect stem is topped with an umbel of carrotlike white flowers.

Chemistry

The plant contains naphthisoxazole A.^[4]

Taxonomy

Two subspecies exist, one in Asia and one in North America; the latter is named leiocarpa.^[3]

Distribution and habitat

It is native to eastern Asia, particularly eastern China, Japan, and far-eastern Russia, and western North America from Alaska to northern California. It can be found on sandy beaches and dunes.^[3]

Uses

The plant is perhaps best known as a Chinese herbal remedy for cough.^[5]

References

^ Wu Zhengyi (1983). "On the significance of Pacific intercontinental discontinuity". Annals of the Missouri Botanical Garden. 70 (4): 577–590. doi:10.2307/2398977. JSTOR 2398977.
^ "White Flowers". Netarts Bay Today. Retrieved 19 November 2009.
^ ^a ^b ^c Spellenberg, Richard (2001) [1979]. National Audubon Society Field Guide to North American Wildflowers: Western Region (rev ed.). Knopf. p. 340. ISBN 978-0-375-40233-3.
^ Li G.Q.; et al. (2008). "A new isoxazol from Glehnia littoralis". Fitoterapia. 79 (3): 238–239. doi:10.1016/j.fitote.2008.01.002. PMID 18325682.
^ Tang, Weici and Eisenbrand, Gerhard Handbook of Chinese Medicinal Plants : Chemistry, Pharmacology, Toxicology, pub. Wiley-VCH 2011 ISBN 978-3-527-32226-8 Vol.1 pps. 599-600 Glehnia littoralis.

External links

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[1] Wu Zhengyi (1983). "On the significance of Pacific intercontinental discontinuity". Annals of the Missouri Botanical Garden. 70 (4): 577–590. doi:10.2307/2398977. JSTOR 2398977.

[etymology-2] "White Flowers". Netarts Bay Today. Retrieved 19 November 2009.

[:0-3] Spellenberg, Richard (2001) [1979]. National Audubon Society Field Guide to North American Wildflowers: Western Region (rev ed.). Knopf. p. 340. ISBN 978-0-375-40233-3.

[4] Li G.Q.; et al. (2008). "A new isoxazol from Glehnia littoralis". Fitoterapia. 79 (3): 238–239. doi:10.1016/j.fitote.2008.01.002. PMID 18325682.

[5] Tang, Weici and Eisenbrand, Gerhard Handbook of Chinese Medicinal Plants : Chemistry, Pharmacology, Toxicology, pub. Wiley-VCH 2011 ISBN 978-3-527-32226-8 Vol.1 pps. 599-600 Glehnia littoralis.

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