- shrub to 10 feet tall in cultivation, often much shorter in the wild
- leaves compound, composed of only 2 leaflets, both a little longer than wide, without marginal teeth
- flowers white to pale pink, showy when fresh, reminiscent of orchids
- blooms in spring
- grows in shrublands on limestone in somewhat dry sites
- known from slopes along the Devils River northwest of Del Rio and (at least historically) the Anacacho Mountains near Brackettville
- also in adjacent Coahuila and Nuevo Leon
- common in nursery trade but rare in nature
