Alpine stonecrop

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Alpine stonecrop
Alpine stonecrop (Sedum alpestre)

Alpine stonecrop ( Sedum alpestre )

Systematics
Order : Saxifragales (Saxifragales)
Family : Thick-leaf family (Crassulaceae)
Subfamily : Sempervivoideae
Tribe : Sedeae
Genre : Sedum ( Sedum )
Type : Alpine stonecrop
Scientific name
Sedum alpestre
Vill.

The plant Alpine stonecrop ( Sedum alpestre ), also alpine sedum , belongs to the genus Sedum ( Sedum ) within the family of the Crassulaceae (Crassulaceae).

description

Illustration from Atlas of Alpine Flora

Vegetative characteristics

The alpine stonecrop is a bald, succulent , perennial plant that only reaches heights of 2 to 8 centimeters. It grows in loose lawns with densely leafy shoots and arching stems . The fleshy, succulent leaves are club-shaped and cylindrical and 3 to 6 mm long, are about 2 mm thick, they are often reddish, sitting unspired on the stem and alternate.

Generative characteristics

In little-flowered inflorescences sit, densely packed, short-stalked flowers. The hermaphrodite, radial symmetry , five-fold, yellow flowers have a diameter of 5 to 8 mm. The yellow petals are ovate and blunt and twice as long as the sepals . They have ten yellow stamens .

The flowering period extends from June to August.

The alpine stonecrop is diploid and the number of chromosomes is 2n = 16.

Distribution and location

The alpine stonecrop is found in the central Alps and the mountains of central and southern Europe.

Locations are acidic soils on moraines , rubble and snow valleys as well as pastures . It thrives in plant communities of the associations Androsacion alpinae or Salicion herbaceae. It thrives in subalpine to alpine altitudes at altitudes of around 1000 to 3400 meters. In the Allgäu Alps, it rises on the Rauheck in Bavaria to an altitude of 2380 meters.

literature

  • Xaver Finkenzeller, Jürke Grau: Alpine flowers. Recognize and determine (=  Steinbach's natural guide ). Mosaik, Munich 2002, ISBN 3-576-11482-3 .
  • Wolfgang Adler, Karl Oswald, Raimund Fischer: Excursion flora of Austria . Ed .: Manfred A. Fischer. Eugen Ulmer, Stuttgart / Vienna 1994, ISBN 3-8001-3461-6 .

supporting documents

  1. ^ Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . With the collaboration of Angelika Schwabe and Theo Müller. 8th, heavily revised and expanded edition. Eugen Ulmer, Stuttgart (Hohenheim) 2001, ISBN 3-8001-3131-5 , pp.  483 .
  2. ↑ Erhard Dörr, Wolfgang Lippert : Flora of the Allgäu and its surroundings. Volume 1, IHW, Eching 2001, ISBN 3-930167-50-6 , p. 643.

Web links

Commons : Alpen-Mauerpfeffer ( Sedum alpestre )  - Album with pictures, videos and audio files