Serpentine houseleek
| Serpentine houseleek | ||||||||||||
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Sempervivum pittonii |
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| Scientific name | ||||||||||||
| Sempervivum pittonii | ||||||||||||
| Schott , Nyman & Kotschy |
The serpentine houseleek ( Sempervivum pittonii ) is a species of the genus of houseleek . The specific epithet honors Joseph Claudius Pittoni , Ritter von Dannenfeldt (1797–1878).
description
Their flat rosettes are 1.5 to 5 cm in diameter and are covered with velvety hair on both sides with comparatively long hair. The leaves are ciliate on the edge and these lashes are of different lengths. The leaf tips are usually clearly dark purple in color. The flowering shoots are up to 20 cm high. The flower color is clear yellow to cloudy yellow. Their closest relatives may be taxa that occur further east to south-east (Balkans) outside the Alps. The plants grow exclusively on serpentine soil.
The base chromosome number is .
distribution
The serpentine houseleek is an endemic and extremely rare species. The local endemic only occurs on two mountains near Kraubath an der Mur in Austria .
swell
- Henk 't Hart, Bert Bleij, Ben Zonneveld: Sempervivum . In: Urs Eggli (Ed.) Succulent lexicon. Crassulaceae (thick leaf family) . Eugen Ulmer, Stuttgart 2003, ISBN = 3-8001-3998-7, p. 362.
- Jelitto, Schacht, Simon: The ornamental outdoor shrubs . 5th edition 2002, Verlag Eugen Ulmer & Co., ISBN 3-8001-3265-6 .
- Manuel Werner: Houseleek species in the Alps. Sempervivum and Jovibarba . In: Avonia . Volume 28, Number 4, 2010, pp. 156-159.
