Tender Gauchheil

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Tender Gauchheil
Tender Gauchheil (Anagallis tenella)

Tender Gauchheil ( Anagallis tenella )

Systematics
Asterids
Order : Heather-like (Ericales)
Family : Primrose Family (Primulaceae)
Subfamily : Myrsine family (Myrsinoideae)
Genre : Gauchheil ( Anagallis )
Type : Tender Gauchheil
Scientific name
Anagallis tenella
L.

The delicate Gauchheil ( Anagallis tenella ) is a species of the genus Gauchheil ( Anagallis ) within the primrose family (Primulaceae).

description

Illustration from Flora Batava ... , Volume 13, 1868

Vegetative characteristics

The tender Gauchheil grows as a wintering green, perennial herbaceous plant . The creeping, thin stems are up to 20 centimeters long and root at the nodes. The opposite leaves are bare and rounded with a length of no more than 1 centimeter.

Generative characteristics

The flowering period extends from June to September. The flowers stand individually on flower stalks up to 35 millimeters long in the leaf axils. The hermaphroditic flowers are radial symmetry with a double flower envelope . The pale pink petals are darkly veined. The bell-shaped crown is 6 to 10 millimeters long and therefore two to three times as long as the chalice.

The number of chromosomes is 2n = 22.

Tender Gauchheil ( Anagallis tenella )

ecology

The tender Gauchheil is a Chamaephyte or Hemikryptophyte .

Occurrence

The tender Gauchheil grows in Eurasia , where bogs and headwaters are their main occurrences. The species, which is not endangered across Europe, is considered critically endangered in Germany. In Central Europe the tender Gauchheil only lives on isolated outposts; it occurs there only sporadically in the area around Paderborn and in the southern Black Forest. The tender Gauchheil occupies a typically Atlantic area in Central Europe. Even in the last century it is said to have been not uncommon in the southern Black Forest in western Switzerland and on Lake Geneva.

It is a species of the Anagallido tenellae-Juncetum acutiflori from the Juncion acutiflori association. But it also occurs in gappy Scheuchzerio-Caricetea fuscae societies ( fens and intermediate moors ) or in Littorelletea societies (strandling societies).

The Tender Gauchheil thrives on low lime or lime-free , but quite base-containing , moist or wet, sandy - Clayey soil . It colonizes wet spots in moors , in ditches, and more rarely in fields or on fallow land . It only occurs in areas with high humidity .

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Individual evidence

  1. a b c d e f Zarter Gauchheil. In: FloraWeb.de.
  2. a b c 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.  744 .
  3. a b c Dietmar Aichele, Heinz-Werner Schwegler: The flowering plants of Central Europe . 2nd Edition. tape 3 : Evening primrose plants to reddish plants . Franckh-Kosmos, Stuttgart 2000, ISBN 3-440-08048-X .

Web links

Commons : Zarter Gauchheil ( Anagallis tenella )  - album with pictures, videos and audio files