Other common names:
Dog Strangling Vine, European Swallowwort, Russian Swallowwort|
Other scientific names:
Cynanchum medium, Vincetoxicum medium, Vincetoxicum rossicum
Dogbane Family (Apocynaceae), (Milkweed Family (Asclepiadaceae))
Opposite leaves on a vine, milkweed-like seed pods and seeds.
Black Swallowwort (Cynanchum louiseae)
White Swallowwort (Cynanchum vincetoxicum)
Summer; Green/Brown; 5 parts (petals); 5-petals, purple/brown, petals smooth, 1/4" wide, late spring & summer.
Opposite pairs, sometimes in a whorl, egg-shaped.
Vine, 2-6 feet long.
In a pod closely resembling those of milkweed. but smaller.
Fields and Open Areas; Open areas, forest edges.
Swallowworts are highly invasive alien plants, that will aggressively take over an area once they get a chance. Pull them up before they get a foothold.
Swallow-wort: Monarch Menace, from The Monday Garden, by Sue Sweeney
68 photographs available, of which 13 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.
Range Map is at the bottom of the page