Mourning night vulture

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Mourning night vulture
Mourning Night VIole (hesperis tristis)

Mourning Night VIole ( hesperis tristis )

Systematics
Rosids
Eurosiden II
Order : Cruciferous (Brassicales)
Family : Cruciferous vegetables (Brassicaceae)
Genre : Night violets ( hesperis )
Type : Mourning night vulture
Scientific name
Hesperis tristis
L.

The pendulous Nachtviole ( Hesperis tristis ), and Sad Nachtviole and pulp Nachtviole called, is a plant from the genus of Nachtviolen ( Hesperis ) within the family of the Brassicaceae (Brassicaceae). It is common in Central , Southeastern and Eastern Europe.

description

The four petals of the flower and hairy sepals of the buds

Vegetative characteristics

The grief-Nachtviole grows as a biennial to perennial , herbaceous plant and reaches stature heights of 35 to 50, sometimes up to 60 centimeters. The stems are erect, stalk-round or angular and covered with long, simple, forked hair and with short glandular hairs. Only the rosette leaves and the lowest stem leaves are petiolate, the others are all seated. The rosette leaves are narrow-ovate, gradually narrowing into the stem, with entire or indistinct teeth. All leaf blades are simple.

Generative characteristics

The flowers sit in loose clusters on 2.5–4 cm long, upright stems. The hermaphrodite flowers are fourfold. The sepals are 10–13 mm long and have broad white skin margins. The flowers smell of hyacinths at night . The four 20 to 32 millimeter long petals are yellowish-green and streaked with a brown-purple vein network. They are long nailed. The plate is elongated, rounded at the front and has a shallow edge, with an attached tip in the edge. The longer stamens are 12–15 mm long.

The horizontally protruding to overhanging pod is 4 to 14 centimeters long.

The number of chromosomes is 2n = 14 or 28.

ecology

This hemicryptophyte blooms in Central Europe from April to May . The pollination is done by sitting moths .

Occurrence and endangerment

The mourning night vulture is common in Central , Southeast and Eastern Europe. In the German-speaking area, it is only at home in Austria .

In Austria, occurrences are only known from the Pannonian region of the federal states of Vienna , Lower Austria and Burgenland . This lime-loving species seldom occurs in Austria and neighboring areas on semi- arid grassland and along the lines of the colline altitude . It also thrives in Central Europe in the Onopordion association. The mourning night violet is considered endangered.

Taxonomy

The first publication of Hesperis tristis was in 1753 by Carl von Linné in Species Plantarum , 2nd edition, p. 663. The lectotype became Herb in 2002 . Linn. 841.1 established by Ball in Taxon , Volume 51, Issue 2, p. 533. Synonyms for Hesperis tristis L. are: Deilosma tristis Spach , Hesperidium triste (L.) Beck , Hesperis desertorum Velen. , Kladnia tristis (L.) Schur .

Individual evidence

  1. a b c d e Manfred A. Fischer, Karl Oswald, Wolfgang Adler: Excursions flora for Austria, Liechtenstein and South Tyrol . 3rd, improved edition. Province of Upper Austria, Biology Center of the Upper Austrian State Museums, Linz 2008, ISBN 978-3-85474-187-9 , p. 633 .
  2. 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 , p. 471.
  3. Distribution map at Euro + Med .
  4. a b Entry at Euro + Med .
  5. First publication scanned at biodiversitylibrary.org .
  6. ^ Hesperis tristis at Tropicos.org. Missouri Botanical Garden, St. Louis

literature

  • Manfred A. Fischer, Karl Oswald, Wolfgang Adler: Excursion flora for Austria, Liechtenstein and South Tyrol . 3rd, improved edition. Province of Upper Austria, Biology Center of the Upper Austrian State Museums, Linz 2008, ISBN 978-3-85474-187-9 , p. 633 .
  • Gustav Hegi : Illustrated flora of Central Europe. 2nd edition Volume IV, Part 2. Verlag Carl Hanser, Munich 1958–63. (Description)

Web links

Commons : Trauer-Nachtviole Hesperis tristis  - Album with pictures, videos and audio files