It is an allium relative, Nectaroscordum siculum.

Maybe Nectaroscordum tripedale

Here is a link that might be useful: Nectaroscordum tripedale

Thanks so much....I'd never even heard of Nectaroscordums before. This came from a property I bought and was growing in amongst thousands of bluebells.

I grew them in my old garden. They spread like crazy - much like the bluebells :-) And like the bluebells (actually wood hyacinths), you will have them forever.

You will recognize their relationship to alliums (they used to be known as Allium bulgaricum) once you attempt to dig or move them - very strong onion smell.