North American silk

North American silk
	North American silk ( Cuscuta campestris )
Systematics
	Asterids
	Euasterids I
Order :	Nightshade (Solanales)
Family :	Bindweed family (Convolvulaceae)
Genre :	Silk ( cuscuta )
Type :	North American silk
Scientific name
	Cuscuta campestris
	Yunck.

The North American silk ( Cuscuta campestris ) is a plant of the genus silk ( Cuscuta ) in the family of wind plants (Convolvulaceae). This parasitic plant species is widespread in the New World .

description

illustration

North American silk, growing on Elbe pointed burdock

blossom

Crown with scales

Vegetative characteristics

North American silk is an annual herbaceous plant and reaches heights of 10 to 50 centimeters. It grows in dense, tangled mats. The stems are strikingly orange and smooth.

Generative characteristics

The flowers are in more or less dense clusters and some have short stalks. The crown is yellowish white. The narrow, triangular pointed scales are usually longer than the corolla tube and protrude from it. The scars are heady.

The number of chromosomes is 2n = 56.

ecology

North American silk is a therophyte and holoparasite .

distribution

North American silk is widely used in North America, the Caribbean, and western South America. It is a neophyte in southern and central Europe . In Germany, too, it has been found regionally in clover and alfalfa fields in the Chenopodietea societies since 1898.

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. 774 .
↑ Rafaël Govaerts (Ed.): Cuscuta campestris. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved February 3, 2016.

Web links

Commons : North American Silk ( Cuscuta campestris ) - Album with pictures, videos and audio files

Cuscuta campestris Yunck., North American silk. In: FloraWeb.de.
Profile and distribution map for Bavaria . In: Botanical Information Hub of Bavaria .
North American silk . In: BiolFlor, the database of biological-ecological characteristics of the flora of Germany.
Cuscuta campestris Yunck. In: Info Flora , the national data and information center for Swiss flora .
Thomas Meyer: Silk 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. 774 .

[WCSP-2] Rafaël Govaerts (Ed.): Cuscuta campestris. In: World Checklist of Selected Plant Families (WCSP) - The Board of Trustees of the Royal Botanic Gardens, Kew . Retrieved February 3, 2016.