Astragalus alpinus

Alpine Astragalus ( Astragalus alpinus )

The Alpine - tragacanth ( Astragalus alpinus ) is a species of the genus Astragalus ( Astragalus ) in the legume family ( Fabaceae ).

Description

The Alpine - tragacanth is a perennial plant that reaches the plant height to 30 centimeters. It is covered with scattered hairs that are easy fitting and gray. The stem is prostrate to ascending. The leaves are pinnate oberseits bare and unpaired. The 15 to 25 leaves are elliptic and obtuse. The stipules are 3-5 millimeters long and membranous. The inflorescence is a 5 to 15 - flowered raceme. The flowers are projecting or nodding. The flower stems are 1 to 2 millimeters long. The crown is white with a blue-violet - purple boat. The wings are whitish, entire and shorter than the boat. The sepals are almost as long as the calyx tube.

The flowering time is June to August.

Occurrence and location

The alpine - subalpine to alpine before tragacanth comes to lawn and moraines on calcareous soils at altitudes up to 3100 meters in the Alps, the Pyrenees, the Carpathians, the Caucasus, Central Asia and the Arctic.

Documents

• Xaver Finkenzeller, Jürke Grey: Alpine Flowers ( Steinbach nature guide ). Mosaik Verlag GmbH, Munich 1996, ISBN 3-576-10558-1.