Erect shrub to 1 m tall, glabrous. Leaves cauline, fasciculate, linear to oblanceolate, entire or dentate, thick; lamina 1-4 cm long, 1-4 mm wide. Inflorescence a spike-like thyrse, to 20 cm long; bracts triangular, 1-2 mm long, not exceeding sepals; bracteoles similar, smaller. Sepals narrowly ovate to linear, 1-1.5 mm long. Corolla c. 6 mm long; lobes ±equal, c. 2.5 mm long; wings 0.3-0.4 mm wide. Ovary with septum obsolete; ovule solitary; style with stiff, purplish hairs and minute, glandular hairs. Fruit a globular nut, c. 1 mm diam. Seed elliptic, c. 1 mm long.