madwort

[ mad-wurt, -wawrt ]
/ ˈmædˌwɜrt, -ˌwɔrt /

noun

a mat-forming plant, Aurinia saxatilis (or Alyssum saxatille), of the mustard family, having spatulate leaves and open clusters of pale yellow flowers.

Origin of madwort

First recorded in 1590–1600; mad + wort2

British Dictionary definitions for madwort

madwort
/ (ˈmædˌwɜːt) /

noun

a low-growing Eurasian boraginaceous plant, Asperugo procumbens, with small blue flowers
any of certain other plants, such as alyssum

Word Origin for madwort

C16: once alleged to be a cure for madness