The subject of much myth and legend, and a herbal remedy, Perforate st John's-wort is a familiar flower. It has star-shaped, bright yellow flowers and lots of tiny holes in its leaves that…

Toadflax-leaved St John's-wort has star-shaped, bright yellow flowers. It is a rare plant, with most of its population existing on Dartmoor. It likes steep, sunny slopes, acidic soils and…