Erect shrublet with ascending branches to 30 cm. Leaves usually with axillary tufts, small, linear-pungent, ciliate below and usually with stiff hair-like prickles above; bracts larger, glabrous or finely hairy, margins with few to many, stiff, wire-like hairs. Flowers 1-few at branch tips, pale blue or white, 10-15 mm diam., calyx and ovary hairy.