Dark yellow water hose
| Dark yellow water hose | ||||||||||||
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| Utricularia stygia | ||||||||||||
| G.Thor |
The dark yellow water hose ( Utricularia stygia ) or dark water hose is a type of plant from the genus of water hoses ( Utricularia ).
features
The dark yellow water hose is a deciduous, rootless, submerged aquatic plant that reaches heights of 5 to 15 centimeters. The end tips of the water leaves each have (2) 3 to 6 (7) eyelash teeth on the edge. The yellow crown is slightly reddish. The lower lip measures 9 to 11 × 13 to 15 millimeters. The spur has a length of 4 to 5 millimeters.
The flowering period extends from July to August.
Occurrence
The dark yellow water hose grows in Germany in oligo- to mesotrophic waters such as ditches, ponds, gullies and shallow bank areas of lakes. The species is rarely found in Bavaria , Baden-Württemberg ( Black Forest , Alpine foothills ), Rhineland-Palatinate , North Rhine-Westphalia and Northeast Saxony . In Schleswig-Holstein it is considered to be extinct. The distribution area of this species is poorly known. According to P. Uotila (2013) the species occurs in Europe in Norway, Sweden, Finland, Russia, Great Britain, Denmark, Germany, Italy, Austria and the Czech Republic.
literature
- Eckehart J. Jäger, Klaus Werner (Ed.): Excursion flora from Germany . Founded by Werner Rothmaler. 10th edited edition. tape 4 : Vascular Plants: Critical Volume . Elsevier, Spektrum Akademischer Verlag, Munich / Heidelberg 2005, ISBN 3-8274-1496-2 .
Individual evidence
- ↑ P. Uotila, 2013: Lentibulariaceae . Datasheet Utricularia stygia In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Web links
- Dark yellow water hose. In: FloraWeb.de.
- Dark yellow water hose . 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 .
- Utricularia stygia G. Thor In: Info Flora , the national data and information center for Swiss flora . Retrieved March 27, 2016.
- Thomas Meyer: Water hose data sheet with identification key and photos at Flora-de: Flora von Deutschland (old name of the website: Flowers in Swabia )