caltha palustris(redirected from Calthus palustris)
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Related to Calthus palustris: Chelone glabra, Mentha aquatica
WARNING (note- there is another plant also called cowslip) Yellow buttercup-like flowers with hollow stem that grows near water. This plant can blister skin, but if used correctly, has been used for coughs and snakebite. Laxative and diuretic. TOXIC unless boiled in multiple changes of water. Be careful. Survival food if boiled. There is another plant called Marsh Marigold (Caltha leptosepala)