Linum perenne

Perennial Flax ( Linum perenne )

The Perennial flax, also perennial flax ( Linum perenne ) is a very rare species in Central Europe from the kind flax (Linum )

Description

The Perennial flax is a perennial, herbaceous plant. It reaches heights of growth of (20 ) 30-60 (100 ) cm. The stem has an arched base, otherwise it is upright. The middle stem leaves are up to 2.5 millimeters wide and one-to three annoying. The leaf margin is rough with small teeth.

The inflorescence usually has more than ten flowers. The inner sepals are 3.5 to five millimeters long and are dull with a tiny spike tip. Stand out from the outer sepals to ( 0.1 ) 0.3 to 0.6 ( 1.1 ) mm. The inner have a wide skin edge and wider overall than the outer. The light blue petals are 15 to 20 millimeters long and nine to twelve millimeters wide. The stamens are about 4.5 mm long, glabrous and usually crowded blue. The pen is approximately six millimeters long. Bloom time is June and July, occasionally blooms the way in October. Pollination is by insects or self-pollination.

The fruit stalks are inclined upright at maturity. The capsule is six to seven millimeters long and ovate - spherical shape. The seeds are oval, four millimeters long and brown in color.

Distribution and threat

The Perennial Flax is native to Europe and western Asia. In Germany it is extremely rare and threatened with extinction, the largest occurrence in Germany is located near Darmstadt. He stands on stage 1 of the Red List of endangered species and is strictly protected according BArtSchV. In Austria he is also in danger of extinction and is only found in Lower Austria ( Nibelungengau, perhaps Wachau), in Upper Austria he is already extinct. In Switzerland, the species is absent. Across Europe, the species is not endangered.

The locations are dry grasslands and pine forests on dry, humus-rich sandy and rocky soils, even over loess. The species is restricted to the colline level stage. He is a Verbandscharakterart of Cirsio - Brachypodion.

System

Previously, the kind Linum perenne was further established. The former subspecies are now run as separate species: Linum alpinum Linum and ockendonii. The former subspecies Linum perenne subsp. perenne now alone forms the type Linum perenne.

Use

From the persevering Lein a rough, coarse fiber was formerly obtained, which was used equal to the linen from the flax Commons (Linum usitatissimum ). It is also planted as a garden plant in heath or rock gardens.

Sources and further information

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