Oldenlandia affinis

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Oldenlandia affinis
Parpatakah (Sanskrit- पर्पटकः) (2724993520) .jpg

Oldenlandia affinis

Systematics
Order : Enzianartige (Gentianales)
Family : Red family (Rubiaceae)
Subfamily : Rubioideae
Tribe : Spermacoceae
Genre : Oldenlandia
Type : Oldenlandia affinis
Scientific name
Oldenlandia affinis
( Roem. & Schult. ) DC.

Oldenlandia affinis is a plant of the genus Oldenlandia within the family Rubiaceae (Rubiaceae). It occurs in tropical Africa and Madagascar, among others.

description

Habit and opposite leaves

Vegetative characteristics

Oldenlandia affinis is a perennial , herbaceous plant . The creeping or climbing stem is 0.2 to 1.2 meters long.

The leaves are arranged opposite one another on the stem. If there is a petiole, it is very short. The leaf blade is elongated-elliptical to elliptical or linear-lanceolate with a length of 1.2 to 8 centimeters and a width of 0.1 to 1.6 centimeters .

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Generative characteristics

The hermaphroditic flowers have a double flower envelope . The sepals are triangular with a length of 0.5 to 1 millimeter. The dark blue or blue-violet to dark-violet petals are elliptical or oblong with a length of 1.8 to 3.2 centimeters and a width of 0.8 to 1.5 millimeters. The corolla tube, which is hairy on the inside, is 3 to 4.5 millimeters long.

The angular, about 0.5 millimeter long seeds are brown.

use

Oldenlandia affinis is used in traditional African medicine for obstetrics . The effectiveness of the cyclotides contained is scientifically investigated . With the German name "Zartes Labkraut" an Oldenlandia species from Sri Lanka is used as an aquarium plant.

Systematics

The first publication took place under the name ( Basionym ) Hedyotis affinis by Johann Jakob Roemer and Joseph August Schultes . The new combination to Oldenlandia affinis was published in 1830 by Augustin Pyramus de Candolle .

From Oldenlandia affinis there are about two varieties:

  • Oldenlandia affinis (Roem. & Schult.) DC. var. affinis
  • Oldenlandia affinis var. Fugax (Vatke) Verdc.

See also

Individual evidence

  1. ↑ MA Hyde, BT Wursten, P. Ballings, M. Coates Palgrave: Flora of Zimbabwe : Subspecies information: Oldenlandia affinis var. Fugax .
  2. ↑ a b c d B. Verdcourt: Rubiaceae. Oldenlandia affinis. In: Flora Zambesiaca. Volume 5, 1989, (online)
  3. ↑ Cyclotide in focus at springermedizin.at . ( Memento of the original from March 19, 2017 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.springermedizin.at
  4. ↑ Oxytocic plant cyclotides as templates for peptide G protein-coupled receptor ligand design .
  5. ↑ Lorents Grana, Finn Sandberg, Knut Slettena: Oldenlandia affinis (R&S) DC: A plant containing uteroactive peptides used in African traditional medicine. In: Journal of Ethnopharmacology. Volume 70, Issue 3, 2000, pp. 197-203. doi: 10.1016 / S0378-8741 (99) 00175-0
  6. ↑ P. Seydel, H. Dörnenburg: Cyclotides from Oldenlandia affinis cultures for drug development. In: Chemical Engineer Technology. Volume 78, Issue 9, 2006, p. 1398. PDF.
  7. ^ Hans-Georg Kramer: Plant aquaristics á la Kramer. Tetra-Verlag, Berlin-Velten 2009, ISBN 978-3-89745-190-2 , p. 212 f.

Web links

Commons : Oldenlandia affinis  - collection of images, videos and audio files