Lancet fireweed

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Lancet fireweed
Leaf of a lancet fireweed

Leaf of a lancet fireweed

Systematics
Rosids
Eurosiden II
Order : Myrtle-like (Myrtales)
Family : Evening primrose family (Onagraceae)
Genre : Willowherb ( epilobium )
Type : Lancet fireweed
Scientific name
Epilobium lanceolatum
Mauri & Sebast.

The lancet willowherb ( Epilobium lanceolatum ) is a species of willowherb ( Epilobium ) within the evening primrose family (Onagraceae).

description

Vegetative characteristics

The lancet fireweed is a perennial herbaceous plant . Stems and leaves are hairy when pressed down. The relatively small, only a few centimeters long leaves are clearly divided into a petiole and a leaf blade. The petiole is 4 to 8 millimeters long. The simple leaf blade is lanceolate and completely or only partially toothed. The upper stem leaves are narrower than the leaf in the picture.

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Generative characteristics

With a diameter of only 6 to 10 millimeters, the hermaphrodite flowers are radially symmetrical and four-fold. Their color changes from whitish in the young flowers to deep pink in the old flowers. The scar is four columns.

The number of chromosomes is 2n = 18 or 36.

Occurrence

The distribution area of the lancet fireweed is Western Europe .

This article or paragraph presents the situation in Germany . Help us to describe the situation in other countries.

In Germany it is only common in the Rhine Valley south of Cologne. In the other areas it is rather rare, in the eastern parts of Germany it is probably extinct.

The lancet willowherb can be found on rocky slopes, on gravel fields or in walls, for example on vineyards. In Central Europe it is a character species of the association Galeopsion segetum, but also occurs in societies of the order Androsacetalia vandellii.

swell

  • Henning Haeupler, Thomas Muer: picture atlas of the fern and flowering plants of Germany . Ed .: Federal Agency for Nature Conservation (=  The fern and flowering plants of Germany . Volume 2 ). Eugen Ulmer, Stuttgart (Hohenheim) 2000, ISBN 3-8001-3364-4 .
  • Rudolf Schubert , Klaus Werner, Hermann Meusel (eds.): Excursion flora for the areas of the GDR and the FRG . Founded by Werner Rothmaler. 13./14. Edition. tape 2 : vascular plants . People and knowledge, Berlin 1987, ISBN 3-06-012539-2 .
  • Otto Schmeil , Jost Fitschen, Werner Rauh: Flora of Germany and its adjacent areas . 84th edition. Quelle & Meyer, Heidelberg 1968.

Individual evidence

  1. ↑ 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.  685 .

Web links

Commons : Lancet fireweed ( Epilobium lanceolatum )  - Collection of images, videos and audio files