Irish wildflowers sitemap
Photos: Ballingeary area, Co.Cork 
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Imperforate St. John's-wort Golden-yellow flowers, 5 petals with black dots, blunt sepals, many stamens. Leaves without translucent dots, opposite, un-toothed, stalkless. Translucent veins. Square, un-winged stems. Height: 30-90 cm. Heavy, damp soils. Wood edges, roadsides, hedge banks. Similar: Perforate St. John's-wort, H. perforatum. Leaves with many translucent dots. Round stems. Pointed sepals. Dryer ground. Des Etangs' St. John's-wort, Hypericum x desetangsii. Hybrid between Imperforate St. John's-wort and Perforate St. John's-wort. Round stems with two or four raised ridges. 
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