Two year old flax

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Two year old flax
Two year old flax (Linum bienne)

Two year old flax ( Linum bienne )

Systematics
Rosids
Eurosiden I
Order : Malpighiales (Malpighiales)
Family : Flax Family (Linaceae)
Genre : Flax ( linum )
Type : Two year old flax
Scientific name
Linum bienne
Mill.

The two-year-old flax ( Linum bienne , Syn. : Linum angustifolium . Huds ) also called, wild flax, is a species of the genus flax ( Linum ) in the family of Flax Family (Linaceae).

description

The biennial to perennial herbaceous plant reaches stature heights between 10 and 60 cm and is mostly branched. In addition to flowering, non-flowering, leafy shoots also exist. The leaves are linear or linear-lanceolate, pointed, they are 0.5 to 1.5 millimeters wide and have one to three nerves. The blue to pale purple petals are 10 to 15 millimeters long and two to three times as long as the sepals . The ovate, pointed sepals have a prominent median nerve. The approximately spherical capsule fruit is 4 to 6 millimeters in size. The beak becomes about 1 millimeter long.

Flowering time is from May to August.

The number of chromosomes is 2n = 30 or 32.

Two year old flax ( Linum bienne )

distribution

The area of the Mediterranean - Atlantic species covers almost the entire Mediterranean area and Western Europe . To the north it penetrates the British Isles to the 54th parallel. It is also common in the Canary Islands, Azores and Madeira.

Grass corridors and dry slopes are preferred as locations. In southwestern Europe it is a species of character of the order Arrhenatheretalia.

Others

This species is probably the ancestral form of the common flax ( Linum usitatissimum ). Cultivated flax and wild flax have the same number of chromosomes of 2n = 30. Archaeological finds in Iran and in southeastern Turkey show that wild flax ( Linum bienne ) was cultivated 9000 years ago.

literature

  • Dankwart Seidel: Flowers on the Mediterranean. Determine accurately with the 3-check . BLV, Munich 2002, ISBN 3-405-16294-7 .

Individual evidence

  1. ↑ a b Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . 8th edition. Verlag Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3131-5 . Page 632.

Web links

Commons : Two year old flax ( Linum bienne )  - album with pictures, videos and audio files