Flaveria chlorifolia
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F. chlorifolia
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Flaveria chlorifolia, the clasping yellowtops, is a North American plant species of yellowtops within the sunflower family. It is native to the southwestern United States (New Mexico, western Texas)[2] and northern Mexico (Chihuahua, Coahuila, Nuevo León).[3][4]
Flaveria chlorifolia is a perennial herb up to 200 cm (80 inches or 6 2/3 feet) tall. One plant can sometimes produce 150 or more flower heads in a branching array, each head with 9-14 yellow disc flowers but no ray flowers.[4][5]
Chemical composition
Quercetin-3-sulfate 3'-sulfotransferase is an enzyme that uses 3'-phosphoadenylyl sulfate and quercetin 3-sulfate to produce adenosine 3',5'-bisphosphate and quercetin 3,3'-bissulfate. The enzyme can be found in F. chlorifolia.[6]
Ombuin 3-sulfate, the sulfate conjugate of ombuin, can be isolated from F. chlorifolia.[7]
References
- ↑ http://www.tropicos.org/Name/2702503
- ↑ Biota of North America Program 2014 county distribution map
- ↑ SEINet, Southwestern Biodiversity, Arizona chapter
- ↑ 4.0 4.1 Flora of North America, Flaveria chlorifolia A. Gray, 1849. Clasping yellowtops
- ↑ Powell, Albert Michael. 1979. Annals of the Missouri Botanical Garden 65(2): 611-613 description and commentary in English, distribution map on page 608
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Ombuin 3-sulphate from Flaveria chloraefolia. Denis Barron and Ragai K. Ibrahim, Phytochemistry, Volume 27, Issue 7, 1988, pages 2362-2363, doi:10.1016/0031-9422(88)80166-3
External links
- Flaveria chlorifolia, Encyclopaedia of Life
- photo of herbarium specimen collected in Nuevo León in 1992
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