Pulmonaria longifolia, (Narrow-leaved Lungwort) is a semi-evergreen clump-forming herbaceous perennial plant, native to western Europe, including Britain, France, Spain, Portugal. It grows in semi-shaded habitats, such as woodland and scrub, to 2000 m above sea level.
The stems are upright, 20–40 cm (rarely to 60 cm), not scaly at base, covered with bristly and some glandular hairs. The basal leaves are up to 40–60 centimetres (16–24 in) long and 6 centimetres (2.4 in) wide, narrowly lanceolate, ...