''Bidens torta'', the corkscrew beggarticks, is a flowering plant species in the family
Asteraceae.
[ITIS Standard Report Page: ''Bidens torta'']
''Bidens torta'' is
endemic to
Hawaii.
[
]
Chemical derivatives
Methylated okanin
Okanin is a chalconoid. It can be found in the plant '' Bidens pilosa'' (Picao preto).
Glycosides / Acetylations
Marein is the 4'-O-glucoside of okanin.
Methylated okanin derivatives can be isolated from ''Bidens torta
''Bidens torta'', the c ...
derivatives can be isolated from ''Bidens torta''.Methylated Chalcones from Bidens torta. Susan P. McCormick, Bruce A. Bohm and Fred R. Ganders, Phytochemistry, Volume 23, Issue 10, 1984, Pages 2400-2401
Those include okanin 3,4,3′,4′-tetramethyl ether, okanin 3,4,3′-trimethyl ether 4′-glucoside, okanin 4-methyl ether 4′-glucoside and okanin 4-methyl ether 4′-glucoside monoacetate.
Okanin 3,4-dimethyl ether 4′-glucoside can also be isolated.
References
External links
torta
Endemic flora of Hawaii
Plants described in 1920
{{Asteroideae-stub