Hey zone15!
Check out
this link.This is the Nexus' Acacia I.D. Thread. Check out some of the pictures there to help you identify these types of plants.
Sorry I cannot give you an accurate identification but I hope this helps.
“How long will this last, this delicious feeling of being alive, of having penetrated the veil which hides beauty and the wonders of celestial vistas? It doesn't matter, as there can be nothing but gratitude for even a glimpse of what exists for those who can become open to it.”
― Alexander Shulgin, Pihkal: A Chemical Love Story