virgate, slender; leaves tufted, linear-subulate, long or short, submucronate, pilose or glabrous; flowers spiked or capitate; calyx very hairy, its segments lanceolato-subulate, longer than the tube; petals villoso-pubescent, the ovate vexillum longer than the carina; ovary 2-ovuled; legume oblique, ovate, acute, shorter than the calyx. An erect or ascending, small shrub, with long, curved, simple, pale-barked, branches, occasionally ramuliferous. Leaves 2–4 lines long, slender, becoming darker in drying. Flowers blue, in terminal, ovoid, oblong or cylindrical, dense spikes; in β. in short heads. The pubescence of the calyx and bracts is sometimes very copious, sometimes scanty.