Move your mouse over image to enlarge. Barcode: CAL0000013926 Family: RANUNCULACEAE Scientific Name: Ranunculus lingua L. Collector: J.F. Duthie Country: India Uses: Leaves applied as a vesicant in rheumatism of the joints. Herb causes irritation of the mucous membrane and inflammation of intestinal tract in livestock; the toxicity, however, is lost on drying. Protoanemonine is the toxic principle.