bearded iris - any of numerous wild or cultivated irises with hairlike structures on the falls (the drooping sepals)

orrisroot, orris - fragrant rootstock of various irises especially Florentine iris; used in perfumes and medicines

Florentine iris, Iris florentina, Iris germanica florentina, orris - German iris having large white flowers with lavender-tinged falls and a fragrant rhizome

root - (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground