What is this a awesome weird plant

[emcas]

I saw it growing in an abandoned lot in Philly. Not sure if it’s a weed but I think it’s gorgeous. I’d be indebted if someone could help me identify it. Thanks in advance!

 

[oneeye]

Leaves are alternate, twice-pinnately compound (fernlike), Mimosa has the same type of leaves. Maybe someone will know shortly.

 

[cpp gardener]

It’s an Acacia, I just can’t figure out the species. You can sprout the seeds by boiling water, remove from flame, add seeds and let cool overnight. They usually sprout in a couple of weeks.

 

[Tetters]

I think that's a sensitive plant - maybe Mimosa pudica.

Oh dear - I wrote the above yesterday, but clearly forgot to click the ''post reply'' button......must be getting old

 

[cpp gardener]

Mimosa has more “bean pod” like fruit.
The Acacias I can find with a quick search all have simple leaves instead of ferny ones, but I’ll keep looking.

 

[cpp gardener]

Well, I finally got on a desktop and now it looks like Desmanthus illinoensis, Illinois Bundleflower.

 

[Tetters]

Cor! Prairie mimosa (prickleweed) - that solved that one then. Well done @cpp gardener.

 

[emcas]

thanks folks! it def looks like a mimosa of some kind.

 

[emcas]

annd it just goes to show that one person's weed is another person's 'wow this is a rad plant'