St John's Wort — definition

1. St John's wort (Noun)

St John's wort (Noun) — 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.

subshrub suffrutex Hypericum androsaemum Hypericum ascyron Hypericum calycinum Hypericum crux andrae Hypericum gentianoides Hypericum hypericoides Hypericum maculatum Hypericum perforatum Hypericum prolificum Hypericum pyramidatum Hypericum spathulatum Hypericum tetrapterum Hypericum virginianum St Andrews's cross St Peter's wort common St John's wort creeping St John's wort great St John's wort klammath weed low St Andrew's cross • • • Hypericum genus Hypericum