Plant ID forum: Milkweed?

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Name: Lee Anne Stark
Brockville, Ontario, Canada (Zone 5a)
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threegardeners
May 31, 2012 4:56 PM CST
I thought this was a milkweed going by the flowers and the scent but I can't find it listed in any of my Ontario Milkweed sources...quite vine-like...any ideas?
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Name: Jay
Nederland, Texas (Zone 9a)
Region: Texas Region: Gulf Coast Charter ATP Member I helped beta test the first seed swap I helped plan and beta test the plant database. I was one of the first 300 contributors to the plant database!
Celebrating Gardening: 2015 Plant Identifier Tip Photographer Garden Sages Garden Ideas: Master Level Hibiscus
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Horntoad
May 31, 2012 5:13 PM CST
I would say it is Matelea genus but not sure which and I don't see one that is listed for Canada.
wildflowersoftexas.com
texasnatureonline.com


[Last edited by Horntoad - May 31, 2012 5:15 PM (+)]
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Name: Monica
Texas Gulf Coast (Zone 9b)
Sweat Weather, Not Sweater Weather
Plant Lover: Loves 'em all! Foliage Fan Enjoys or suffers hot summers Region: Gulf Coast Multi-Region Gardener Seed Starter
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krancmm
May 31, 2012 5:41 PM CST
Cynanchum nigrum (Black Swallowwort) or Cynanchum rossicum (Pale Swallowwort). Only difference is C. nigrum has "fuzzy petals" and C. rossicum has "smooth petals".

Either way, you'll want to get rid of it: http://ontariowildflowers.com/main/species.php?id=109 lists them as "highly invasive".
Monica
Name: Lee Anne Stark
Brockville, Ontario, Canada (Zone 5a)
Perpetually happy!
Forum moderator Tip Photographer I helped plan and beta test the plant database. Critters Allowed Cottage Gardener I was one of the first 300 contributors to the plant database!
Lover of wildlife (Raccoon badge) Keeps Goats Keeper of Poultry Frogs and Toads Charter ATP Member Region: Canadian
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threegardeners
May 31, 2012 5:52 PM CST
Pale Swallowwort...thank you!! Good thing I didn't dig one up and bring it home Big Grin
Name: Monica
Texas Gulf Coast (Zone 9b)
Sweat Weather, Not Sweater Weather
Plant Lover: Loves 'em all! Foliage Fan Enjoys or suffers hot summers Region: Gulf Coast Multi-Region Gardener Seed Starter
Image
krancmm
May 31, 2012 6:00 PM CST
I tip my hat to you. Another nasty plant from across the pond, and appears to be heading south according to range maps.
Monica

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