Description: A common native hairless perennial with shoots up to three feet tall arising from a creeping rhizome; stems are square in cross-section and leaves about 3/4 inch long, with translucent glandular dots. Flowers are of the typical St. John's wort form and are about 3/4 inch across.

Found in open woodland, hedgebanks, grassland, roadside verges, railway and road embankments etc.

All Northern Ireland plants belong to the subspecies obtusiusculum.

All names: Hypericum maculatum Crantz; Hypericum dubium Leers; Hypericum quadrangulum auct.

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

iNaturalist: Hypericum maculatum at iNaturalist World Species Observations database.