Woody > Cynanchum > Cynanchum rossicum > Cynanchum rossicum
Cynanchum rossicum
Dog Strangling Vine
Mike's
Opinion
"
A most virulent, invasive, vascular plant species in Ontario.
Michael Pascoe, NDP., ODH., CLT., MSc. (Plant Conservation)
"
| Family |
| Apocynaceae |
| Genus |
| Cynanchum |
| Species |
| rossicum |
| Category |
| Woody |
| Type |
| Vine |
| Pronunciation |
| RHS Hardiness Zone |
| H7 |
| Height |
| 0.5-2 m |
Photographs
Cultivars
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Description and Growing Information
Flowering Period
| General Description |
| A highly invasive vine, destroying agricultural crops and natural areas. |
| Shape |
| Irregular growth, with twining shoots. |
| Growth |
| Fast |
| ID Characteristic |
| Perennial with a horizontal woody root stalk or rhizome. Twining and scrambling configuration. |
| Habitat |
| Near field borders, roadsides and railroad tracks. Creeping into Agricultural fields and pasture land. |
| Bark/Stem Description |
| After a year of growth, the stem turns light brown and resembles a decaying stem and stops growing, yet it still clings onto the host plant. |
| Flower/Leaf Bud Description |
| Terminal bud is plump and blunt tipped. |
| Leaf Description |
| Has smooth margins, with hairs being present and major leaf veins on the underside of the leaf. The glossy, dark green leaves grow opposite on the stem and are ovate to elliptical. |
| Flower Description |
| Produce pods containing seed that is similar in appearance to common milkweed. The flowers appear near the top of the plant and grow on stalks that come from the leaf axils. Each stalk has 5-20 flowers. The flowers are dark purple or dark brown. |
| Fruit Description |
| Bean shaped seed pod with seeds attached to downy 'umbrellas'. |
| Colour Description |
| Light green coloured stem with dark green leaves. |
| Texture Description |
| Medium textured. |
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