In article , says...
On 2010-07-22 19:28:37 +0100, "DC" said:

Hello,
Not sure if this is a weed, it just appeared in a pot, but it's quite
pretty, isn't it ??
http://tinypic.com/view.php?pic=iptg6q&s=3
TIA
DaveC

Could it be a shrubby Clematis?

I don't think its a clematis flower
--
Charlie Pridham, Gardening in Cornwall
www.roselandhouse.co.uk
Holders of national collections of Clematis viticella cultivars and
Lapageria rosea