Photographs: Ballingeary, Co. Cork

Trailing St. John's-wort Hypericum humifusum Beathnua sraoilleach Family: Hypericaceae Flowering time: June-September. Perennial. Native. Red-tinged flower buds followed by small yellow flowers with petals slightly longer than the sepals. The opposite leaves are Oval-elliptic with translucent glands and black glands on the leaf edges. A hairless plant with many prostrate or trailing stems that are 2-ridged and branched. Spread: 10-20 cm. Prefers open ground on acidic heaths, open woodland, tracks and paths.

Trailing St John's-wort, Hypericum humifusum, Beathnua sraoilleach