Chihuahuan Desert Nature Center and Botanical Gardens....the Velvet Pod Mimosa, also called Velvetpod Catclaw (Mimosa dysocarpa). The Texas Native Plants database says this about the beautiful mimosa:
"Velvet pod mimosa is abundant and common in the Chisos and Davis
Mountains of the Trans-Pecos on brushy hillsides from 2500 to 6500 feet,
and occurs north into New Mexico and Arizona and south to Mexico.
Numerous short, widely divergent, irregular but densely prickly branches
bear pubescent (downy) bipinnate leaves and extremely showy, fragrant,
pinkish-purple cylindrical flower spikes."
Read more here.