Epilobium anagallidifolium

Gauchheilblättriges fireweed (Epilobium anagallidifolium )

The Gauchheilblättrige Fireweed, pimpernel willowherb or Alpine Willowherb (Epilobium anagallidifolium ) is occurring in the European mountain plant from the family of the evening primrose family ( Onagraceae ).

Features

The pimpernel willowherb is a perennial, herbaceous plant. It reaches stature heights of 4 to 10 cm, rarely 2-25 cm. It has a bogiges, several cm long rhizome. The stems are several, it often forms lawn. They are edgy and have two to four weakly raised longitudinal ridges. You are bald and hairy only at the edges. In its heyday, the top hangs over. At the bottom are above-ground, leafy foothills at flowering time. The leaves are up to the inflorescence up against constantly. You have a to 2 mm long petiole, are 1-2, rarely to 2.5 cm long and 0.2 to 0.8 cm wide. The leaf base is wedge-shaped, leaf shape ovate -oblong, the leaf margin is entire, there are no distinct teeth. The leaves are glabrous.

The inflorescence consists of 1-6 flowers and nodding. The flowers are 4-5 mm long, radial symmetry and have a long tube. The axis tumbler is filled with scattered glandular hairs or almost glabrous. The crown is funnel-shaped. The petals are incised 3 to 4.5 mm long and dull. The stylus is erect, the scar is capitate. Flowering time is July to September. Pollination is by insects or by self-pollination.

The fruit capsule hairy, scattered 2-4 cm long when young, later glabrous. The seeds are about 1.2 mm long, spindle-shaped and smooth. At the top they wear a short, translucent appendages.

Dissemination

The pimpernel willowherb is scattered in the mountains of Europe before, including Alps, Black Forest, Bavarian Forest, Ore, Jizera and Giant Mountains.

It grows on quelligen places and on stationary, durchfeuchtetem debris. It prefers sickerfeuchte, nutrient-rich clay soils and is found mainly on silicate rock. It is restricted to the Alpine area in the montane altitudinal zone it comes down just as Schwemmling. In the Bavarian Alps, it grows in the high altitudes 1500-2300 m. In Austria it is missing only in Vienna and Burgenland.

Phytosociological it is a kind of Salicetea herbaceae and Androsacion alpinae.

Documents

  • Siegmund Seybold (ed.): Schmeil Fitschen - interactive ( CD -Rom ), Quelle & Meyer, Wiebelsheim 2001/2002, ISBN 3-494-01327-6
  • M. A. Fischer, K. Oswald, W. Adler: Exkursionsflora for Austria, Liechtenstein and South Tyrol. Third Edition, Upper Austria, Biology Centre of the Upper Austrian Provincial Museum, Linz 2008, ISBN 978-3-85474-187-9
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