lungwort

lungwort is a Noun

Definition:

[1] An herb of the genus Pulmonaria (P. officinalis), of Europe; -- so called because the spotted appearance of the leaves resembles that of a diseased lung.

[2] Any plant of the genus Mertensia (esp. M. Virginica and M. Sibirica) plants nearly related to Pulmonaria. The American lungwort is Mertensia Virginica, Virginia cowslip. Gray. Cow`s lungwort mullein. -- Sea lungwort, Mertensia maritima, found on the seacoast of Northern Europe and America. -- Tree lungwort, a lichen (Sticta pulmonacea) growing on trees and rocks. The thallus is lacunose, and in appearance somewhat resembles the lungs, for diseases of which it was once thought a remedy.