branches weak prostrate; twigs downy, with reversed hairs; leaves sub-imbricate, erect-appressed, linear, obtuse, 3-angled, sparingly impresso-punctate beneath, glabrous, rarely ciliolate at keel and margin; flowers umbellate; peduncles longer than the floral leaves, minutely pubescent or glabrate; calyx glabrous, its segments ovato-lanceolate, keeled; petals twice as long as the calyx, the claw half its length, limb obovate-oblong; sterile filaments scarcely exceeding the calyx, oblong-linear, pubescent-ciliate to the very apex; ovary pilose at apex; style glabrous. A dwarf bush, with prostrate or ascending, greyish branches, 6–12 inches long, and erect, fastigiate reddish twigs. Leaves sub-distant on the branches, crowded on the twigs, channelled, 1 1/2–2 lines long. Umbel 3–6 flowered, pedunc. 2–2 1/2 lines long, never quite glabrous. Calyx segments 1/2 line long, not ciliate. Petals quite glabrous, with an apical gland. Carpels 2–3, 1 line long, with short, straight horns.