How to sign: any of numerous plants of the genus Hypericum having yellow flowers and transparently dotted leaves; traditionally gathered on St John's eve to ward off evil
Categories: subshrub, suffrutex
Within this category: common St John's wort, creeping St John's wort, great St John's wort, klammath weed, low St Andrew's cross, marsh St-John's wort, orange grass, shrubby St John's wort, St Andrews's cross, St Peter's wort