Erythroxylum rufum, the rufous false coca, is a flowering plant species in the genus Erythroxylum.
Ombuin-3-O-rhamnosylglucoside, a glycoside of ombuin, can be found in E. rufum.Flavonoids of Erythroxylum rufum and Erythroxylum ulei. Bruce A. Bohm, David W. Phillips and Fred R. Gander, J. Nat. Prod., 1981, volume 44, issue 6, pages 676–679,
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