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dog-strangling vine, European swallowwort
Cynanchum rossicum (Kleopov) Barbarich

 
Categories
References
Taxonomy
Other Data Sources
Scientific Name Synonyms
Common Names
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Infestation
John M. Randall

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Flower(s)
John M. Randall

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Fruit(s)
John M. Randall

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Infestation
John M. Randall

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Infestation
John M. Randall

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Foliage
John M. Randall

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Feature(s)
Leslie J. Mehrhoff

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Flower(s)
Leslie J. Mehrhoff

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Flower(s)
Leslie J. Mehrhoff

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Infestation
Leslie J. Mehrhoff

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Plant(s)
Leslie J. Mehrhoff

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Fruit(s)
Leslie J. Mehrhoff

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Infestation
Leslie J. Mehrhoff

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Seed(s)
Leslie J. Mehrhoff

Taxonomic Rank
Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Asteridae
Order: Gentianales
Family: Asclepiadaceae
Genus: Cynanchum
Definition
European swallowwort is an herbaceous, twinning, long-lived perennial vine. Leaves are opposite, dark green, oval, shiny, 3-4 in. (7.6-10.2 cm) long and 2-3 in. (5.1-7.6 cm) wide. Flowering occurs in June to July, when pink to reddish, 5-petaled, star-shaped flowers appear in clusters. Flowers are approximately 0.25 in. (0.6 cm) across and are covered with white hairs. Fruit are pods, similar to milkweed pods, which are slender, 2-3 in. (5.1-7.6 cm) long and split to reveal small seeds with tufts of white hair. The hair allows the seeds to be readily dispersed. European swallowwort invades upland areas with a wide range of light and moisture conditions. European swallowwort is native to Europe and was likely introduced into the United States for ornamental purposes.
References
Common Name Reference: USDA, NRCS. 2001. The PLANTS Database, Version 3.1, National Plant Data Center, Baton Rouge, LA 70874-4490 USA.

Scientific Name Reference: USDA, NRCS. 2001. The PLANTS Database, Version 3.1, National Plant Data Center, Baton Rouge, LA 70874-4490 USA.
Categories
Plants: Vines
Plants: Forbs/Herbs
Links to Other Data Sources
Plants: CYRO8
GRIN: 448793
ITIS: 501902
Taxonomic Synonyms
Vincetoxicum rossicum
Other Common Names
Common Name Synonym(s): pale shallow-wort