creeping St John's wort creeping St John's wort /ˈkriːpɪŋ seɪnt ʤɑnz wɜrt/

noun

1. Creeping evergreen shrub with bright yellow star-shaped summer flowers; useful as ground cover  ( creeping St John's wort , Hypericum calycinum )
   creeping evergreen shrub with bright yellow star-shaped summer flowers; useful as ground cover