Swertia perennis

Marsh gentian ( Swertia perennis)

Called The swamp gentian ( Swertia perennis) also Tarant, bog gentian, swamp Blue Star or Blue Tarant, belongs to the family of the Gentian Family ( Gentianaceae ).

Description

The perennial herbaceous plant with angular stem reaches a height of 15 to 60 cm. The lower leaves are ovate and alternate. The upper lanceolate, opposite and constantly smaller. The steel-blue to hazy purple flowers are in loose Rispentrauben and are star-shaped spread. The petals are almost to the ground apart. They often have darker spots or stripes. The corolla lobes have the share per two frayed covered Nektargrübchen. The type Swertia perennis is particularly protected in Germany ( Federal Species Protection Ordinance, Appendix 1).

Occurrence

This species is widespread in the Alps, Pyrenees to the Balkans. As the site lime- flat and moors, wetlands are preferred from the valley up to about 2500 meters above sea level. In Austria scattered occurrence, is absent in Burgenland and Vienna. Applies in the Western Alps, in the northern foothills of the Alps and the Pannonian region as endangered. In 2006, finds scattered in the White Tatras ( Slovakia) 1000-1500 meters and in the West Tatras. 2011 or in the Polish Giant Mountains ( Karkonosze ) found at 1000-1200 meters.

Isolated occurrences are among other

• In Brandenburg near the Tegel Fließes
• In Mecklenburg-Vorpommern, among others, in the nature reserve Quaßliner Moor, in the nature reserve land grave meadows at Werder, in the environment of the shallow lake Spukloch in goods -Müritz and in Peenetal
• In the Bavarian Forest ( Big Falkenstein )
• In the Black Forest, Feldberg

Others

Worldwide there are about 90 species of Swertia with the main circulation in the Asian mountains. In the Alps, however, occurs only in this way. Pollination is above all by flies and beetles.