Weeds of the West has a picture.

Looks similar to hairy vetch. When it flowers tell us what color they are.

As Jim says, undoubtedly a legume of some sort.

If that's vetch, it seems to be pretty good for your soil:

https://duckduckgo.com/?t=ffsb&q=hairy+vetch&ia=web



Geno

The desert is a true treasure for him who seeks refuge from men and the evil of men.
In it is contentment
In it is death and all you seek
(Quoted from "The Bleeding of the Stone" Ibrahim Al-Koni)

member of the cabal of dysfunctional squirrels?