the original form in the garden

Lovely to see them Brian. I ordered some corms from Sarah Raven, but just one tiny leaf has emerged!

These make a change from blue or white Spring Anemones.

They're beautiful . . . and appear to spread, given the right conditions.

they spread by underground stolons

Little black worm-like stolons?

Siris
think probably a better term is Rhizomes not dug any up recently but they are similar to anemone nemorosa and they are not black