Different-leaved cress
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Mixed-leaved cress ( Lepidium heterophyllum ) |
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The different-leaved cress ( Lepidium heterophyllum ) is a species of plant that belongs to the cruciferous family (Brassicaceae).
distribution
Lepidium heterophyllum has areas mainly in Western Europe , and extends eastward to the Czech Republic and Slovakia . This species is common in the British Isles , especially in the western part. In Ireland this species is one of the most common of the genus. The plant is a neophyte found in Northern Europe, Canada, the United States, and Chile.
It is seen as a " weed " and is rarely found in Germany on banks, roadsides and fields.
description
The various-leaved cress is a biennial to perennial herbaceous plant that reaches heights of 15 to 90 cm and consists of several ascending stems , which are often branched at the base. The basal leaves are lyre-shaped and pinnate and encompass the stem. The stem, like the flower stalks, is covered with protruding hairs.
The four-fold flower has a diameter of 3 to 3.5 mm. The four white petals are about half longer than the sepals . The six anthers are red-purple.
The elliptical to egg-shaped pods are about 3 mm wide, about 5 to 7 mm long and smooth; above they are winged pulp. The free stylus part is longer than 1 mm and clearly protrudes beyond the edge of the wing.
The species has chromosome number 2n = 16.
use
The seeds of the wild cress species were previously used as a pepper substitute because of their pungent taste.
Synonyms
Synonyms are: Lepidium smithii Hook. , Lepidium pratense (Serres ex Gren. & Godron) Rouy & Fouc. , Lepidium villarsii Gren. & Godron .
Sources and further information
Individual evidence
- ^ Lepidium in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved July 28, 2017.
- ^ Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . 8th edition. Page 443–444. Stuttgart, Verlag Eugen Ulmer, 2001. ISBN 3-8001-3131-5
- ↑ Oskar Sebald : Guide through nature. Wild plants of Central Europe. ADAC Verlag, Munich 1989, ISBN 3-87003-352-5 , p. 51.
Web links
- Pictures at biopix.dk
- Different-leaved cress. In: FloraWeb.de.
- Distribution map for Germany. In: Floraweb .
- Profile of Dutch wild plants (nl)
- Flora of Skye. (engl.)
- Entry with the Flora of NW Europe. (engl.)
- Area map for the northern hemisphere according to Eric Hultén
- Thomas Meyer: Data sheet with identification key and photos at Flora-de: Flora von Deutschland (old name of the website: Flowers in Swabia )
- Lepidium heterophyllum inthe IUCN Red List of Threatened Species 2013.1. Posted by: Holubec, V., Uzundzhalieva, K., Vörösváry, G., Donnini, D., Bulińska, Z. & Strajeru, S., 2010. Retrieved September 14, 2013.
