I know I'm probably wrong on this, but the shape of the flower looks snapdragonish. I have no idea if the leaves are correct though. Our wild snapdragons are yellow and much smaller.

I know it's some kind of legume, might be Desmodium canadense

Here is a link that might be useful: SHOWY TICK-TREFOIL

The leaves were very willow-y.

The leaves were very willow-y.

Looks like a vetch, perhaps Vicia villosa.

I'm sure it's probably not lupine? Sarah

Yes it does look like vicia villosa. Here's a picture. Sarah

Here is a link that might be useful: vicia villosa

That's it. Thanks!