Photographs: Rosscarberry, Co. Cork

Large-flowered Evening-primrose Oenothera glazioviana Coinneal oíche mhór Family: Onagraceae Flowering: June-September. Biennial. Introduced. Leafy spikes of large pale-yellow flowers (50-80mm wide), the sepals red or red-striped. Seed capsule with reddish hairs. Leaves are lanceolate and wavy edged, the upper leaves narrower, with white mid-rib. Red-based stem-hairs. Height to 1.5m Casual garden escape on waste ground, roadsides, railway embankments Correction: Photographs are probably of a hybrid and not Large Evening-primrose. Paul Green, BSBI

Large-flowered Evening-primrose, Oenothera glazioviana, Coinneal oíche mhór