Butterwort saxifrage
Butterwort saxifrage | ||||||||||||
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Butterwort saxifrage ( Saxifraga sedoides ) on the Hochschwab in Styria |
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Systematics | ||||||||||||
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Scientific name | ||||||||||||
Saxifraga sedoides | ||||||||||||
L. |
The Fettkraut saxifrage ( Saxifraga sedoides ) is a species in the genus saxifrage ( Saxifraga ) in the family Saxifragaceae (Saxifragaceae).
features
The butterwort saxifrage is a perennial plant that reaches heights of 2 to 5 centimeters. It forms loose lawns. The rosette leaves are 5 to 15 millimeters long, lanceolate to spatulate , with entire margins and scattered glandular hairs to bald. They have a light, prickly tip. The stem is upright, has long protruding glandular hairs, 0 to 2 alternate leaves and 1 to 2 flowers. The petals are 2 to 3 millimeters long, lanceolate and pale green to lemon yellow. They are shorter to slightly longer, but much narrower than the sepals . The sepals are spread out more or less horizontally at the time of flowering.
Flowering time is from June to September.
The species has chromosome number 2n = 52.
Occurrence
The butterwort saxifrage occurs in the Limestone Alps (Italy, Austria, Slovenia) east of Lake Como and the Salzach and in the Apennines . Information from the Pyrenees and the area of the former Yugoslavia are probably incorrect. It grows subalpine to alpine on moist calcareous rubble and in shady crevices at altitudes of 1,600 to 2,800 meters. He is a character species of the association Thlaspion rotundifolii.
literature
- Xaver Finkenzeller, Jürke Grau : Alpine flowers (Steinbach's natural guide). Mosaik Verlag GmbH, Munich 1996, ISBN 3-576-10558-1 .
- Klaus Kaplan in Gustav Hegi : Illustrated flora of Central Europe . 3rd edition Volume IV, Part 2 A, pages 216-217. Blackwell-Wissenschaftsverlag Berlin 1995. ISBN 3-8263-3016-1
supporting documents
- ↑ Saxifraga sedoides at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ↑ Jaakko Jalas, Juha Suominen, Raino Lampinen, Arto Kurtto: Atlas florae europaeae . Volume 12 (Resedaceae to Platanaceae). Page 210, Helsinki 1999. ISBN 951-9108-12-2 .
- ^ Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . 8th edition, page 490. Stuttgart, Verlag Eugen Ulmer, 2001. ISBN 3-8001-3131-5 .
Web links
- Butterwort saxifrage. In: FloraWeb.de.
- Distribution map for Germany. In: Floraweb .