Definition of "lungwort"

Any of various European plants, of the genus Pulmonaria (family Boraginaceae), that were once used to treat respiratory disorders.  examples

Any of several other, not closely related plants, used to treat respiratory disorders

1. Hieracium murorum (in family Asteraceae, French lungwort or golden lungwort)  examples

2. Helleborus niger (family Ranunculaceae, black lungwort)  examples

3. Mertensia (family Boraginaceae)

   1. Mertensia virginica (American lungwort, lungwort oysterleaf, smooth lungwort, tree lungwort)  examples

   2. Mertensia maritima (sea lungwort)  examples

4. Verbascum thapsus (in family Scrophulariaceae, bullock's lungwort, cow's lungwort or clown's lungwort)  examples

5. Lobaria pulmonaria, syn. Stichta pulmonacea, (in family Lobariaceae, lungwort lichen, lung lichen, tree lungwort)  examples