''Pulmonaria obscura'', common names unspotted lungwort or Suffolk lungwort, is a

herbaceous Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition of t ...

evergreen In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, which ...

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

rhizomatous In botany and dendrology, a rhizome (; , ) is a modified subterranean plant stem that sends out roots and shoots from its nodes. Rhizomes are also called creeping rootstalks or just rootstalks. Rhizomes develop from axillary buds and grow hori ...

plant of the genus

Pulmonaria ''Pulmonaria'' (lungwort) is a genus of flowering plants in the family Boraginaceae, native to Europe and western Asia, with one species (''P. mollissima'') east to central Asia. According to various estimates there may be between 10 and 18 spe ...

, belonging to the family

Boraginaceae Boraginaceae, the borage or forget-me-not family, includes about 2,000 species of shrubs, trees and herbs in 146, to 156 genera with a worldwide distribution. The APG IV system from 2016 classifies the Boraginaceae as single family of the order ...

. In Central Europe it is the most widely occurring member of the Boraginaceae.

Description

The

herb reaches a height of about 10 to 20, sometimes up to 30 cm. The

stem Stem or STEM may refer to: Plant structures * Plant stem, a plant's aboveground axis, made of vascular tissue, off which leaves and flowers hang * Stipe (botany), a stalk to support some other structure * Stipe (mycology), the stem of a mushro ...

grows upright and is covered in the upper part with strong bristles, stem glands and soft hairs. The leaves have softer hairs. They are 4–6 cm long, 1–2 cm wide, and very rarely with pale green patches along the veins. The basal leaves are heart-shaped and oblong, have an approximately 5 to 10 cm long stem, and a length of 4 to 12 cm and are about twice as long as wide. The flowers are about 10 to 15 mm long, initially pink and later red-violet. The corolla tube is bald under the hair ring. The seeds have a length of 3.5 to 4 mm and are brown to black.

Habitat

It grows in deciduous and coniferous mixed forests. It usually prefers poorly drained, nutrient-rich, and mostly calcareous soils.

Distribution

Its distribution ranges from central Sweden and southern Finland to Central Europe. In Austria, the species is very rare and endangered, while it is common in Northern Switzerland. In Britain it is quite rare, but its presence has been confirmed for Suffolk.

References

External links

Pulmonaria obscura
{{Taxonbar, from=Q1266138 obscura