Dolomite houseleek
| Dolomite houseleek | ||||||||||||
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Dolomite houseleek ( Sempervivum dolomiticum ) |
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| Sempervivum dolomiticum | ||||||||||||
| Facchini |
The Dolomite Hauswurz ( sempervivum dolomiticum ) is in the Dolomite endemic Hauswurz -type.
features
The species forms rosettes with a diameter of one to five centimeters and its flowering shoots can reach heights of up to 15 centimeters. The plant is free from resin odor. The rosette leaves are 3 to 5 millimeters wide, oblong-lanceolate and gradually pointed, often with brown or red tips. The outer leaves are often tinged with red. Like the stem , the rosette leaves are glandular on the surfaces. The hairs on the tips of the leaves are stronger than those on the leaf sides, those on the leaf sides are longer than those on the leaf surfaces.
The corolla is pink to purple. The petals are 9 to 10 millimeters long, with a darker median nerve, three to four times as long as the calyx tips. The petals are hairy on the underside and on the edge.
The chromosome number is .
distribution
The species is endemic to the Dolomites , the distribution center is the Braies Dolomites and the neighboring Fanes / Sennes area. It grows in rocky corridors and stony grasslands over dolomite, but also lime, in the subalpine to alpine altitude .
literature
- Manfred A. Fischer , Wolfgang Adler, Karl Oswald: Excursion flora for Austria, Liechtenstein and South Tyrol. 2nd, improved and enlarged edition. State of Upper Austria, Biology Center of the Upper Austrian State Museums, Linz 2005, ISBN 3-85474-140-5 .
- Henk 't Hart, Bert Bleij, Ben Zonneveld: Sempervivum . In: Urs Eggli (Hrsg.): Succulent lexicon. Crassulaceae (thick leaf family) . Eugen Ulmer, Stuttgart 2003, ISBN = 3-8001-3998-7, p. 353.
- Manuel Werner: Houseleek species in the Alps. Sempervivum and Jovibarba . In: Avonia . Volume 28, Number 4, 2010, pp. 141-147.
