Flower. Helsinki bot.g., (Kump.), Finland. Planted. 2003-07-18.Hypericum ascyron L. Engl.: great St. Johnswort, giant St. John's-wort. Sven.: kransjohannesört. Bot. syn.: Hypericum pyramidatum Ait.Personal use? Non-commercial use? Commercial use? Read the Fine Print. Comments? Tell me.