(n) any of numerous low-growing cushion-forming plants of the genus Draba having rosette-forming leaves and terminal racemes of small flowers with scapose or leafy stems; fruit is a dehiscent oblong or linear silique
(n) annual weed of Europe and North America having a rosette of basal leaves and tiny flowers followed by oblong seed capsules, Syn. shad-flower, Draba verna, shadflower