A dense undershrub, puberulous, 1–3 feet high, erect, branched or sometimes simple. Branches subtetragonal, the younger ones herbaceous, the older woody and purplish. Leaves lanceolate ovate or sublinear, of a yellowish green colour beneath, narrowed at both ends, subsessile or sessile, membranous, margins revolute, fasciculate by the presence of abbreviated axillary shoots; 1/2–2 by 1/8– 1/2 in.; stipules short, truncate, tipped with 4 or 5 subulate puberulous setæ. Flowers about 1/6 in. long, tetramerous, shortly pedicellate, in terminal usually trichotomous densely corymbose terminal cymes. Calyx coriaceous; tube puberulous, campanulate; lobes lanceolate-subulate, longer than the tube, at length recurving at the tip. Corolla funnel-shaped, shortly exceeding or nearly equalling the calyx, hairy inside. Filaments as long as the oblong half exserted anthers. Capsule subglobose, 1/10 in. diameter, loculicidal above; seeds angular; valves at length cleft at the apex.