Images of Swertia perennis, Felwort, Marsh Felwort

Steven Foster's stock images Swertia perennis, Felwort, Marsh Felwort. Photos © 2011 Steven Foster. Please contact us for pricing and terms at sfoster@stevenfoster.com or call +1-479-253-2629.

Nine Images of Swertia perennis, Felwort, Marsh Felwort is a perennial member of Gentian Family (Gentianaceae), native to Europe, as well as North America and Asia. Root once used as a bitter tonic, but is no longer widely collected due to decline in populations. The root contains the highly bitter compounds gentiopicrin and swertiamarin.