Cuscuta campestris (weed)

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Cuscuta campestris flowers (click on image to enlarge it)
Author(s): Kristian Peters
Source: Wikimedia Commons

Cuscuta campestris (weed) Yunck. - (field dodder)

This parasitic weed is believed to be native to the Americas and is now widespread in Europe, Asia and Australia. It affects a large variety of plants, including crops like vegetables or forage crops. Parasitised plants have a reduced growth and flowering is often suppressed. The yield of crops is significantly reduced. For example, studies on sugarbeet estimated a yield loss of ~45% (Üstüner, 2018).

The stems have an orange colour and are smooth. The small flowers are whitish. The tiny seeds (~ 1½ mm wide) are dispersed through wind, water, animals or human activities.

Vernacular names
• Deutsch: Nordamerikanische Seide
• English: field dodder
• Français: cuscute champêtre