5 petal white flower

[Diane Whitehead]

This plant has flowered for several years and has not seeded
or spread.

It is about a metre high, with about 6 stems coming up from
the soil.  The leaves are opposite, and the flowers grow in
small bunches from the upper leaf axils.

It is growing in my lily seedling bed and the only nearby
seedlings were of various Incarvilleas.

[arisaema]

Vincetoxicum hirundinaria, usually considered a weed, but a nice one.

[Diane Whitehead]

Thank you.

I just checked my seed database and I sowed seeds of it
in 1998 from the AGS seedlist.

It doesn't look as though it will be aggressive, so I will
leave it growing.

[Heather Smith]

It looks like the Vincetoxicum - a European mountain plant - and if it is, it is as well to note that it is very poisonous! Be as careful with it as with Aconitum.