caltha - spring moisture-loving flower near stream and in swamps, yellow flower on which brown beetle weevil crawls

marigold caltha moistureloving yellow flower weevil waterlogged decorative spring beetle curculionidae polyphage gnaws buds leaves blossom flora floral green leaf meadow nature plant marsh bloom palustris beautiful blooming fresh petal summer botany garden golden kingcup water wild may stem set herbaceous weed herb marshmarigold ranunculaceae marybuds season