Trinia glauca
Blue-green fiber screen ( Trinia glauca )
The blue-green fiber screen ( Trinia glauca ), also known as Small fiber screen, is a rarely occurring plant species in Central Europe within the family of Umbelliferae ( Apiaceae ). It blooms in April and May.
With the generic name Trinia is reminiscent of the German - Russian botanist Carl Bernhard von Trinius.
Description
The blue-green fiber screen grows as two to perennial herbaceous plant, reaching heights of growth of about 8 to 50 inches. Often they die after the first seed ripening. All plant parts are bare. The stem is branched and more or less hergebogen back and forth. The plant is spreading branched from the base, so that it often forms a hemispherical growth. The leaves are gray-blue - green color, the lower two to three times pinnately divided. The Fiederabschnitte are about 1 mm wide.
The blue-green fiber screen is dioecious getrenntgeschlechtig ( dioecious ). The male plant is remarkably lower than the female. It is formed a doppeldoldiger inflorescence. The cover is missing as well as most of the Hüllchen. Sometimes, however, these are one-to dreiblättrig available. The umbellules the male plants are many flowered, those of the female plants four to achtblütig. The crown is whitish, about 0.3 mm long and shows on the back of a green or reddish markings.
The ribs of the black-brown, about 3 mm long portion of fruit are highly salient and dull.
Ecology
The blue-green fiber screen is a hemicryptophytes.
Occurrence and risk
The blue-green fiber screen comes in Central and Western Europe to the north of the Mediterranean as well as in Hungary and Romania. He is a sub-Mediterranean - subatlantisches Florenelement. Trinia glauca comes in Germany rare in Rhineland-Palatinate, the Middle and the Upper Rhine Main area.
In Austria and Switzerland it is rare and endangered. The threat is classified for in Germany in category 2, as endangered.
Trinia glauca growing in dry grassland communities. He prefers warm, mostly calcareous, stony or sandy soils.