Shrub to 2 m with rigid branches; lateral branches leafy, ending in a stout spine. Leaves usually clustered, very narrowly obovate to linear, to 24 mm long, slightly fleshy when fresh, green. Pedicels 5–8 mm long. Calyx campanulate, 4–5 mm long. Corolla 17–22 mm long, purplish to purplish-brown. Stamens 5, included. Pistil c. 12 mm long. Fruiting calyx split into two major lobes, one 3–toothed, the other 2–toothed. Berry globose to subglobose, c. 10 mm diam., purplish, with c. 20 seeds. Seeds 3 mm diam., dull yellow-brown.
Stiffly branched, thorny shrub or small tree to 2 m. Leaves in tufts on short shoots, leathery, linear-oblong, 11-24 x 1-2 mm. Flowers bisexual, tubular, purple, tube 13-20 mm long with petals 2-3 mm long, stamens inserted halfway up tube, just included.