|marsh marigold, cowslip (Caltha palustris)||
marsh marigold; cowslip (Caltha palustris; BUTTERCUP FAMILY [Ranunculaceae]) Low growing, briefly showy, spring-flowering plant of wet places, with 5-9 bright yellow sepals and no petals. Leaves heart shaped to round, long-stalked, and shallowly toothed. Stem hollow. Found in open swamps, wet meadows, and ditches. 
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