1. alyssum(n = noun.plant) madwort - any garden plant of the genus Alyssum having clusters of small yellow or white flowers;
is a kind of crucifer, cruciferous plant
is a member of alyssum, genus alyssum
2. alyssum(n = noun.plant) genus alyssum - a genus of the family Cruciferae;
is a kind of dilleniid dicot genus
is a member of brassicaceae, cruciferae, family brassicaceae, family cruciferae, mustard family
A genus of cruciferous plants; madwort. The
alyssum, n. any plant of the genus Alyssum, widely cultivated and usu. having yellow or white flowers.
Etymology:
L f. Gk alusson