Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun great_st_john's_wort

1 sense of great st john's wort

Sense 1
great St John's wort, Hypericum ascyron, Hypericum pyramidatum -- (perennial shrub having large star-shaped yellow flowers in narrowly pyramidal cymes)
       => St John's wort -- (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)