Irish wildflowers sitemap
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Marsh St. John's-wort Terminal cymes of pale-yellow flowers with red dots on sepals. Upright flower stems. Oval-circular leaves, clasping stem. Usually woolly-hairy. Creeping plant, rooting at lower stem nodes, mat-forming. Height: 15-25 cm. Damp or wet peaty, nutrient-poor soils. Usually in shallow water, sometimes terrestrial. Acidic marshes, bogs, streams. Most frequent in W and SW Ireland. 
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