The shrub has slender, spinescent, pruinose branchlets. The erect, glabrous, spinescent and straggly shrub typically grows to a height of . The branches of this shrub are woody and rigid, divaricate, and sometimes spinescent. It has opposite leaves, trifoliate with spinescent stipules, a pink corolla and smooth fruits. The prostrate spinescent shrub typically grows to a height of . "Spinescent" is a term describing plants that bear any sharp structures that deter herbivory.