Vincetoxicum nigrum (weed)
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Author(s): Leslie J. Mehrhoff, University of Connecticut
Source: IPM Images
Vincetoxicum nigrum (weed) (L.) Moench - (black swallow-wort)
The weed is a perennial vine which is native to south-western Europe and has been introduced into north-eastern North America. It was possibly introduced as an ornamental already around 1850. The weed has become invasive in the 2nd half of the 20th century and can be an agricultural and environmental weed, especially in north-eastern parts of North America. It is found in various habitats but reaches the highest density in open fields.
Currently, chemical control is used for management, but biological control agents are also being studied. The species is similar to Vincetoxicum rossicum, also invasive in North America, but the flowers are dark purple to black.
| Vernacular names | |
|---|---|
| • Deutsch: | schwarze Schwalbenwurz |
| • English: | black swallow-wort Louise's swallow-wort black dog-strangling vine |
| • Français: | dompte-venin noir |
For details see the respective page in Wikipedia.
Synonyms:
Cynanchum louiseae
Cynanchum nigrum
- Other images of Cynanchum louiseae (weed) (IPM Images - click to enlarge)
foliage
roots
fruits
dehiscing seeds
seeds
infestation
infestation
