Wingstem, Verbesina alternifolia, probably. There's a picture of the seedpod all the way at the bottom of the page in the link. WW Here is a link that might be useful: Wingstem, Verbesina alternifolia

I'm getting a Centranthus vibe from the top and Valerianella from the bottom!

Yes, 'Mexican Sunflower' looks like it. Thanks much!

Nope. I only was at the place for five minutes, and higher up its still to early for bloom season it seems. DIdnt see any of them bloom, nor something resembling a bulb)could be deep underground).