Ivy arum

Ivy arum
	Ivy summer root ( Orobanche hederae )
Systematics
	Asterids
	Euasterids I
Order :	Mint family (Lamiales)
Family :	Summer root family (Orobanchaceae)
Genre :	Sommerwurzen ( Orobanche )
Type :	Ivy arum
Scientific name
	Orobanche hederae
	Duby

The ivy arum ( Orobanche hederae ) is a plant species from the genus of arum ( Orobanche ) in the family of arum plants (Orobanchaceae).

description

The ivy root is a parasitic plant that grows 15 to 60 cm high and parasitizes on common ivy ( Hedera helix ). The bracts and scale leaves are noticeably wide.

Ivy summer root ( Orobanche hederae )

The crown is 10 to 15 mm long, whitish or yellowish in color. The upper lip is reddish and often has purple veins. On the outside, the crown is bare or only sparsely covered with light, glandular trichomes . The corolla tube is clearly narrowed above the middle. The topline of the corolla is more or less evenly curved. The scar is initially yellow in color, but later turns brown.

The flowering period is May to July.

The number of chromosomes is 2n = 38.

Occurrence

The species is native to Western Europe and Western Asia. Its distribution area includes the Azores, Morocco, Algeria, Southern Europe, Central Europe, Great Britain, the Ukraine, the Caucasus, Turkey and Iran. It grows in parks and ruins as well as on the edges of forests on fresh, nutrient-rich clay soils. In Central Europe it occurs mainly in societies of the Prunetalia order.

literature

Siegmund Seybold : Flora of Germany and neighboring countries. A book for identifying vascular plants that grow wild and often cultivated . Founded by Otto Schmeil , Jost Fitschen . 93rd completely revised and expanded edition. Quelle & Meyer, Wiebelsheim 2006, ISBN 3-494-01413-2 .
Hans-Joachim Zündorf, Karl-Friedrich Günther, Heiko Korsch, Werner Westhus (eds.): Flora of Thuringia. The wild fern and flowering plants of Thuringia . Weissdorn, Jena 2006, ISBN 3-936055-09-2 .

Individual evidence

↑ ^a ^b 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. 867-868 .
^ Orobanche in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved January 28, 2018.

Web links

Commons : Ivy Summer Arum - Album with Pictures, Videos and Audio Files

Ivy arum. In: FloraWeb.de.
Ivy arum . In: BiolFlor, the database of biological-ecological characteristics of the flora of Germany.
Profile and distribution map for Bavaria . In: Botanical Information Hub of Bavaria .
Orobanche hederae Duby In: Info Flora , the national data and information center for Swiss flora .
Distribution in the Netherlands [1] (Dutch)
Thomas Meyer: Sommerwurz data sheet with identification key and photos at Flora-de: Flora von Deutschland (old name of the website: Flowers in Swabia )

[Oberdorfer2001-1] 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. 867-868 .

[GRIN-2] Orobanche in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved January 28, 2018.