any of a genus (Corydalis) of plants of the fumitory family, with spurred yellow, rose, blue, or purple flowers
See corydalis in American Heritage Dictionary 4
(kə-rĭdˈl-ĭs)
noun
Any of various herbs of the genus Corydalis native chiefly to northern temperate regions and having finely divided leaves and spurred, often yellow or pinkish flowers.