Digitalis lutea

Yellow Foxglove (Digitalis lutea)

The Yellow Foxglove ( Digitalis lutea ) is a plant from the family of the plantain family ( Plantaginaceae ).

Description

The Yellow Foxglove is a biennial to perennial herbaceous plant, reaching heights of growth between 30 and 80 centimeters. The upright, unbranched stems is weak rinnig and bare, the arranged alternate, narrow - lanceolate to ovate leaves are simple, finely ciliate on the edge, cut otherwise bare and irregular. A basal rosette at flowering time, as with other thimbles missing.

The inflorescence is a raceme of many einseitswendige, dense sulfur- yellow, engröhrigen, drawing loose flowers that are 9-25 mm long and hairy inside. The flowers are smaller and narrower than that of the large-flowered foxglove, whose flowers are 28-40 mm long, ocher yellow and lined inside. The crown is made up of five fused petals. There are four stamens, the ovary is upper constant, the fruit is a capsule. The Leafs lack the stipules.

The chromosome number is n = 56

Toxicity

The plant is highly poisonous. Main ingredients are cardenolides with relatively low total content:

  • Lanatoside A 0.02 to 0.10 %
  • Acetyldigitoxin 0.01 to 0.08 %
  • Digitoxin 0.01 to 0.02 %

The poisonous effect equivalent to that of Digitalis purpurea. The heart corresponds to the effectiveness of Digitalis purpurea; effectiveness as a diuretic should be stronger against it.

Dissemination

The plant is spread from Western Europe to Southern Italy and North-West Africa. It prefers to grow on dry, calcareous, stony and warm floors to bright location such as clearings or edges of forest roads. It is Kennart the Association Atropo - Digitalietum luteae Oberd. 1957 ( n.inv. ) And is considered safely, but " special protection " in Germany by the Federal Species Protection Ordinance.

Evidence

  • Erich Götz: Plants determine the computer. Flora of Germany. CD -ROM, Eugen Ulmer, Stuttgart 2001, ISBN 3- 8252-8168 -X.
  • Hans Simon (ed. ): The free- jewelry perennials. Manual and encyclopedia of garden perennials. Founded by Leo Jelitto, Wilhelm Schacht. 5th completely revised edition. Volume 1: A to H, Eugen Ulmer, Stuttgart ( Hohenheim) 2002, ISBN 3-8001-3265-6, p 294
  • Lutz Roth, Max Daunderer, Karl Kormann: poisonous plants plant toxins. 6th revised edition. Nikol- Verlag, Hamburg 2012, ISBN 978-3-86820-009-6.
  • Digitalis lutea. In: FloraWeb.de.
Asterids Genus Ovary (botany) Karyotype Association (ecology)
240002
de