Bergamasker Wiesenknopf
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Bergamasker Wiesenknopf ( Sanguisorba dodecandra ) |
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The Bergamasker burnet ( Sanguisorba dodecandra ) is a plant from the genus burnet ( Sanguisorba ) in the family of Rosaceae (Rosaceae). This endemic occurs only in northern Italy in the southern Alps.
description
Vegetative characteristics
The Bergamasker Wiesenknopf is a perennial, herbaceous plant that usually reaches heights of 100, rarely 50 to 150 centimeters. The plant smells pleasant. The above-ground parts of the plant are bare or sparsely hairy ( indument ).
The alternate leaves are pinnate unpaired. There are usually three to eight pairs of plumage. The leaflets are 60 to 100 millimeters long, elliptical, narrowed or rounded at the base and pointed at the top. The leaf margin is dense and sharply toothed, there are 15 to 26 teeth on each side.
Generative characteristics
The flowering period extends from July to September. The annual inflorescence is 50 to 80 millimeters in size. The flowers are all hermaphroditic. The sepals are light green. The stamens hang and are three or four times the length of the sepals. The mostly 8 to 12, rarely 4 to 16, are arranged in groups in front of the transverse and median sepals. They are initially white, later turn yellow and in the stage of pollination rust-red. The pollen is 3-colporat. There is a carpel and a stylus. The fruit cup is narrow and spindle-shaped with two parallel pairs of sweeping wings.
The number of chromosomes is 2n = 56.
Occurrence
The Bergamasker Wiesenknopf occurs only in the valleys of the Rhaetian and Orobic Alps and the Bergamasque Alps . The Bergamasker Wiesenknop grows on stony and gravelly brook banks and moist meadows in the montane to subalpine altitude range at altitudes of 700 to 2300 meters. It also occurs on soils poor in lime. The Bergamasker Wiesenknopf belongs to the tertiary relic flora of the southern Alps.
Taxonomy
The first description of Sanguisorba dodecandra was made in 1833 by Giuseppe Moretti in Biblioteca Italiana ossia Giornale di Letteratura Scienze ed Arti , 70, page 436th
supporting documents
Individual evidence
- ↑ a b Sanguisorba dodecandra in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved October 23, 2018.
- ↑ Sanguisorba dodecandra in the IUCN Red List of Threatened Species 2018.1. Posted by: R. Gentili, G. Parolo, G. Rossi, T. Abeli ,, 2007. Retrieved October 23, 2018.
- ↑ Xaver Finkenzeller, Jürke Grau: Alpenblumen (Steinbach's natural guide). Mosaik Verlag GmbH, Munich 1996, ISBN 3-576-10558-1 .
- ↑ a b c Gertrud Dahlgren: Sanguisorba. In: Hans. J. Conert et al. (Ed.): Gustav Hegi : Illustrated flora of Central Europe. Volume 4 Part 2B: Spermatophyta: Angiospermae: Dicotyledones 2 (3). Rosaceae 2. Blackwell 1995, ISBN 3-8263-2533-8 .
Web links
- Renato Ferlinghetti: Sanguisorba dodecandra Fiore esclusivo delle Orobie .