Seguier's saxifrage

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Seguier's saxifrage
Seguier's Saxifrage (Saxifraga seguieri) in Valais

Seguier's Saxifrage ( Saxifraga seguieri ) in Valais

Systematics
Eudicotyledons
Nuclear eudicotyledons
Order : Saxifragales (Saxifragales)
Family : Saxifragaceae (Saxifragaceae)
Genre : Saxifrage ( Saxifraga )
Type : Seguier's saxifrage
Scientific name
Saxifraga seguieri
Blast

Seguiers saxifrage ( Saxifraga seguieri ) is a species in the genus saxifrage ( Saxifraga ) in the family Saxifragaceae (Saxifragaceae). It is named after the French naturalist Jean François Séguier (1703–1784), who traveled to South Tyrol and described this saxifrage as Saxifraga alpina minima, foliis ligulatis in orbem circumactis, flore ochroleuco .

features

Seguier's Saxifrage (
Saxifraga seguieri ), illustration

Seguier's saxifrage is a perennial plant that reaches heights of 2 to 6 centimeters. It grows in lawns or flat cushions. The rosette leaves are 5 to 30 millimeters long, 1 to 4 millimeters wide, lanceolate to spatulate, dark green, with entire margins and densely covered with glands everywhere . The surfaces often bald. Dead leaves are brown in color. There are 0 to 2 short alternate leaves and 1 to 2 flowers on the stem . The petals are oblong-ovate, rounded, yellowish and three-veined. They are about as long but significantly narrower than the petals. The sepals have egg-shaped tips and are densely glandular.

Flowering time is from July to August.

The species has chromosome number 2n = 66.

Occurrence

Seguier's saxifrage occurs from the Graian Alps to the Dolomites, sub-alpine to alpine, on moist, fine silicate and calcareous raw debris and in snow valleys at altitudes of 1,600 to 3,000 meters. It is a character species of the Luzuletum alpinopilosi from the association Salicion herbaceae. This type is usually very common.

literature

  • Xaver Finkenzeller, Jürke Grau : Alpine flowers (Steinbach's natural guide). Mosaik Verlag GmbH, Munich 1996, ISBN 3-576-10558-1 .
  • Jaakko Jalas, Juha Suominen, Raino Lampinen, Arto Kurtto: Atlas florae europaeae . Volume 12 (Resedaceae to Platanaceae). Page 208, Helsinki 1999. ISBN 951-9108-12-2
  • Klaus Kaplan in Gustav Hegi : Illustrated flora of Central Europe . 3rd edition Volume IV, Part 2 A, pages 212-213. Blackwell-Wissenschaftsverlag Berlin 1995. ISBN 3-8263-3016-1

Individual evidence

  1. a b Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . 8th edition. Verlag Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3131-5 . Page 490.

Web links

Commons : Seguier's Saxifrage ( Saxifraga seguieri )  - Collection of images, videos and audio files