Description: A widespread native hairless species with shoots up to three feet tall that are rounded in cross-section but with two longitudinal raised lines, arising from a creeping rhizome. Flowers are about 3/4 inch across, of typical St. John's wort form. The name perforatum refers to the abundant translucent dots scattered across the leaves, which are about 3/4 inch long and narrow or oval in form.

Found in open woodland, hedgebanks, grassland, old railway tracks etc.

All names: Hypericum perforatum L.

Distribution Map from NBN: Hypericum perforatum at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Hypericum perforatum at iNaturalist World Species Observations database.