Blood red summer root
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Blood-red summer root ( Orobanche gracilis ) |
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The blood red broomrape ( Orobanche gracilis ) is a plant from the genus of orobanche ( Orobanche ) and belongs to the family of broomrape plants (Orobanchaceae). It is also known as Slim Summer Arum or Dainty Summer Arum .
description
The biennial holoparasite reaches heights of 10 to 60 centimeters.
The simple stem is brownish, yellowish or reddish and usually has fewer than 15 scale leaves . The flowers , with a clove-like scent, are in dense clusters. The crown is glossy, cloudy, blood-red on the inside and yellow on the outside, red (brown) towards the edge. The yellow scar has a purple-brown border. The filaments are glandular above. The stylus is hairy glandular.
Flowering time is from May to August (rarely until October).
The number of chromosomes is 2n = 73–91 or 112–116, according to other authors 2n = 38.
Occurrence
The distribution area includes Morocco, Algeria, Spain, Portugal, France, Italy, Slovenia, Croatia, Serbia, Albania, Bulgaria, Greece, Romania, Germany, Austria, Hungary, Czech Republic, Poland, Switzerland, Slovakia, Ukraine, Belarus, Moldova, Caucasus area and Turkey. Semi- arid grasslands and dry meadows are preferred as locations . The species also occurs in societies of the Erico-Pinion association or the order Seslerietalia albicantis. It parasitizes on butterflies , especially on clover ( Trifolium ), cheekbones ( Dorycnium ) and horn clover ( lotus ).
Frequent in Austria in the Pannonian region (Vienna, Lower Austria, Burgenland), otherwise moderately frequent to scattered in all federal states. In Germany it is widespread in the Alpine foothills. In the Allgäu Alps, it rises in the Tyrolean part of the Große Schlicke up to an altitude of 1900 meters.
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 .
Individual evidence
- ↑ a b Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . With the collaboration of Angelika Schwabe and Theo Müller. 8th, heavily revised and expanded edition. Eugen Ulmer, Stuttgart (Hohenheim) 2001, ISBN 3-8001-3131-5 , pp. 866 .
- ↑ Orobanche gracilis at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ^ Orobanche in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved January 27, 2018.
- ↑ Erhard Dörr, Wolfgang Lippert : Flora of the Allgäu and its surroundings. Volume 2, IHW, Eching 2004, ISBN 3-930167-61-1 , p. 487.
Web links
- Orobanche gracilis Sm., Blood-red summer root. In: FloraWeb.de.
- Blood red summer root . In: BiolFlor, the database of biological-ecological characteristics of the flora of Germany.
- Profile and distribution map for Bavaria . In: Botanical Information Hub of Bavaria .
- Orobanche gracilis Sm. In: Info Flora , the national data and information center for Swiss flora . Retrieved March 24, 2016.
- Thomas Meyer: Sommerwurz data sheet with identification key and photos at Flora-de: Flora von Deutschland (old name of the website: Flowers in Swabia )