Photographs: Ballingeary, Co. Cork

Marsh St. John's-wort Hypericum elodes Luibh an chiorraithe Family: Hypericaceae Flowering time: June-September. Perennial. Native. Upright flower stems with terminal cymes of pale-yellow flowers with red dots on the sepals. Oval-circular leaves clasp the stem and are usually woolly-hairy. Creeping, mat-forming plant, rooting at lower stem nodes. Usually in shallow water but sometimes terrestrial in or beside acidic marshes, bogs and streams. Most frequent in W and SW Ireland. Similar: Trailing St. John's-wort, Hypericum humifusum

Marsh St John's-wort, Hypericum elodes, Luibh an chiorraithe