Small rigid much-branched shrub up to 1 m high; branches often somewhat zigzag, pale green to olive, terete, cano-puberulous and substriate. Stipules spinescent, in pairs, recurved, reddish-brown, up to 3,5 mm long. Leaves bipinnate, small: petiole up to 3 mm long, cano-puberulous, with a stalked reddish-brown gland up to 1 mm high just below the point of attachment of the pinnae; rhachillae up to 1,5 cm long, glabrous to cano-puberulous; 1 pinna pair per leaf; leaflets in 6-12 subopposite pairs, up to 3(4) x 1(1,3) mm, oblong or linear-oblong, obtuse or acute apically, sparingly to densely pubescent on the margins only or sometimes on the lower surface also, seldom glabrous throughout, usually with a small reddish-brown gland at the base of each leaflet. Inflorescences capitate, pedunculate, solitary in the axils of the leaves. Flowers hermaÂphrodite, 5-merous, sessile, in heads up to 7 mm in diameter; peduncles up to 8 mm long, cano-puberulous. Calyx divided almost to the base, segments 1-2 mm long, up to 1,2 mm wide, densely villous externally. Petals free except basally, up to 2,5(3) mm long,