Sedum dasyphyllum

Humpback Stonecrop (Sedum dasyphyllum )

The Humpback Stonecrop (Sedum dasyphyllum ), also Crassula stonecrop or hump - called stonecrop, is a perennial plant belonging to the genus sedum (Sedum ) belongs within the family Crassulaceae ( Crassulaceae ).

Description

The Humpback Stonecrop is an evergreen perennial succulent plant, which reaches stature heights between 5 and 15 centimeters. It forms prostrate to ascending, densely leafy flowering shoots and not in the upper part loose leafy, glandular hairy flowering shoots. The mostly arranged opposite, succulent, blue-green leaves are ovate with a length of 3 to 7 mm, flat on top and strongly arched downward.

The hermaphrodite flowers are radial symmetry with a double perianth. The five to six petals are are white or pink, with a dark midrib, spitzlich and two to three times as long as the sepals. The ovary is upper constant. The flowering period extends from May to August.

Ecology

The Humpback Stonecrop is pollinated by insects. As a main pollinators occur Skin and Fly in appearance. Cross-pollination is supported by Vorweiblichkeit by the scars mature before the anthers. The spread of diasporas and broken branches is bound to water. The seeds need light to germinate successfully can.

Occurrence

The Humpback Stonecrop is a sub-Mediterranean - präalpines Florenelement substantially. The distribution of humpback Stonecrop extends into southern Europe from Spain to Greece and forms a distribution focus in the montane and subalpine altitudinal zone. To the north, the range extends into central France and southern Germany, with scattered naturalized further north. There are also deposits in southwest Anatolia and North-West Africa.

It occurs sporadically in the Palatinate, in the Swabian Jura, in the Black Forest and in the Allgäu ago. In the Swiss Jura and the Swiss Plateau, in Vorarlberg and Upper Austria and Lower Austria it is rare; in the Alps, it is scattered and there rises to altitudes of 2000 meters on.

The Humpback Stonecrop needs dry fine earth and humus- poor, rocky ground in a sunny location. Ruins and old walls are often colonized by it.

Endangering

In Germany, the Humpback Stonecrop applies after the Red List as endangered. Their populations are in the area and in Central Europe in the fall. Central Europe -wide figure is considered safely. Reasons for the decline are measures of village renovation and restoration of the castle in the first place.

Use

The Humpback Stonecrop is since about 1697 in Culture and is planted as an ornamental plant in rock gardens from which they run wild here and there. It needs a sunny, dry location on calcareous soils.