Pulmonaria obscura, common names unspotted lungwort or Suffolk lungwort, is a herbaceous evergreen perennial rhizomatous plant of the genus Pulmonaria, belonging to the family Boraginaceae.
In Central Europe it is the most widely occurring member of the Boraginaceae.
The flowers are about 10 to 15 mm long, initially pink and later red-violet.
It usually prefers poorly drained, nutrient-rich, and mostly calcareous soils.
In Austria, the species is very rare and endangered, while it is common in Northern Switzerland.