Intricately branched shrublet to 15 cm. Leaves opposite below, linear-acicular, margins slightly thickened, toothed. Flowers in rigid, divaricate cymes, narrowly bell-shaped, ± 5 mm diam., white or blue, calyx lobes spreading-recurved, pungent, ovary 5-locular, scabrid. Capsules depressed, 5-lobed.