The common name derives from its yellow flower and long, horn-like fruit which succeeeds it. A rare and local species of the Co Down coast, mostly from the stretch south from Bloody Bridge.
All names: Glaucium flavum Crantz; Glaucium luteum Crantz; Glaucium glaucium (L.) Karst.
NBN Atlas mapping: Species account : NBN Atlas UK Species Observations database
iNaturalist: Species account : iNaturalist World Species Observations database