Yellow pea

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Yellow pea
Yellow pea (Lathyrus laevigatus)

Yellow pea ( Lathyrus laevigatus )

Systematics
Order : Fabales (Fabales)
Family : Legumes (Fabaceae)
Subfamily : Butterflies (Faboideae)
Tribe : Fabeae
Genre : Flat peas ( Lathyrus )
Type : Yellow pea
Scientific name
Lathyrus laevigatus
( Waldst. & Kit. ) Gren.

The Yellow pea ( Lathyrus laevigatus ) is a plant species within the family of legumes (Fabaceae).

description

Legumes of the yellow pea ( Lathyrus laevigatus )
Yellow pea ( Lathyrus laevigatus )
Yellow pea ( Lathyrus laevigatus )

The yellow flat pea grows as a perennial herbaceous plant that reaches heights of 20 to 60 centimeters. The independently upright stem is wingless and hairy ( indument ). The pinnate leaf blade is tendril and has four or five pairs of leaflets on the rhachis leaf . The leaflets are elliptical and hairy underneath ( trichomes ).

In traubigen inflorescence are three to twelve flowers together. The hermaphrodite flowers are zygomorphic and five-fold with a double flower envelope . They form a butterfly flower . The five petals are yellow.

The legume is 5 to 7 inches long.

The number of chromosomes is 2n = 14.

Locations and distribution

In Central Europe, the yellow flat pea is rarely found in the southern Swiss Jura and in the northern Limestone Alps .

The yellow flat pea thrives best on loose, marly , lime-rich soils . It thrives on sunny slopes in the alpine climate . It colonizes meadows and tall herbaceous areas . It is a character species of the Caricion ferrugineae association, but also occurs in societies of the Erico-Pinion association. In the Allgäu Alps, Lathyrus laevigatus subsp. occidentalis in Vorarlberg at the Höferspitze up to 2100 meters above sea level.

Systematics

It was first published in 1809 under the name ( Basionym ) Orobus laevigatus by Franz de Paula Adam von Waldstein and Pál Kitaibel in Descriptiones et Icones Plantarum Rariorum Hungariae , Volume 3, p. 270. The new combination Lathyrus laevigatus was made in 1865 by Jean Charles Marie Grenier in Mémoires , Société d'Émulation du Doubs , Volume 10, p. 193 published. Homonyms are: Lathyrus laevigatus Fritsch (published in Excursionsflora für Oesterreich , 1897, p. 346); Lathyrus laevigatus Fritsch (published in Sitzungsber. Kaiserl. Akad. Wiss., Math.-Naturwiss. Cl. , Dept. 1, Volume 104, 1895, p. 517); Lathyrus laevigatus Arechav. (published in Anales del Museo de Historia Natural de Montevideo , Volume 3, 1901, p. 375). Synonyms for Lathyrus laevigatus (Waldst. & Kit.) Gren. are Lathyrus subalpinus Beck , Orobus subalpinus Herbich .

Subspecies

The following subspecies can be distinguished:

  • Eastern yellow flat pea ( Lathyrus laevigatus (Waldst. & Kit.) Gren. Subsp. Laevigatus ): It occurs in Eastern Europe and in Eastern Central Europe.
  • Western yellow flat pea ( Lathyrus laevigatus subsp. Occidentalis (Fisch. & CA Mey.) Breistr. ): It occurs in Spain, Italy, France, Switzerland, Germany, Austria and the former Yugoslavia.

Also:

swell

Individual evidence

  1. ↑ a b Erich Oberdorfer : Plant-sociological excursion flora for Germany and neighboring areas . 8th edition. Verlag Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3131-5 . Page 616.
  2. ↑ Erhard Dörr, Wolfgang Lippert : Flora of the Allgäu and its surroundings. Volume 2, IHW, Eching 2004, ISBN 3-930167-61-1 , p. 157.
  3. ↑ a b Yellow flat pea at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed May 31, 2014.
  4. ↑ a b c ILDIS World Database of Legumes 2010. Lathyrus laevigatus . In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity. Berlin 2011.

literature

  • Otto Schmeil , Jost Fitschen (greeting), Siegmund Seybold : The flora of Germany and the neighboring countries. A book for identifying all wild and frequently cultivated vascular plants. 95th completely revised u. exp. Edition. Quelle & Meyer, Wiebelsheim 2011, ISBN 978-3-494-01498-2 .
  • Eckehart J. Jäger (ed.): Excursion flora from Germany. Vascular plants: baseline. Founded by Werner Rothmaler . 20th, revised and expanded edition. Spektrum Akademischer Verlag, Heidelberg 2011, ISBN 978-3-8274-1606-3 .
  • Henning Haeupler , Thomas Muer: picture atlas of the fern and flowering plants of Germany (= the fern and flowering plants of Germany. Volume 2). 2nd, corrected and enlarged edition. Published by the Federal Agency for Nature Conservation. Ulmer, Stuttgart 2007, ISBN 978-3-8001-4990-2 .
  • Dietmar Aichele, Heinz-Werner Schwegler: The flowering plants of Central Europe. 2nd Edition. Volume 2. Franckh-Kosmos, Stuttgart 2000, ISBN 3-440-08048-X .

Web links

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