"Garrapata" wrote
Mad Cow wrote:


This plant came up of its own accord. It might be hardy here (southern
England) or it might be in for a nasty surprise.
The flowers are tiny (8mm) with a foetid smell. The elegantly-shaped
pods are much larger, four inches and still growing. I can't find it in
a good wild flower book but I can't see why anyone would bother to plant
it.
Does anyone here recognise it? Thanks
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It's a Milkweed relative but a search for Asclepiadaceae in GGL images
shows that there are dozens of viny asclepiads, one that seems close is
Cynanchum rossicum. It is a bit invasive and would probably be hardy
there.

Good shout but as the flowers are so dark I think it may actually be...
Cynanchum louiseae (Syn:- Cynanchum nigrum, Vincetoxicum nigrum)
Black Swallowwort.
http://www.ct-botanical-society.org/...nchumloui.html

Quite what it is doing in S. England rather that S. Europe I have no idea.
Global warming perhaps?
--
Regards
Bob Hobden
W.of London. UK