A woody shrub with white bark, stiff branches intertwined with smaller twigs tapering into spines, the whole plant has an unpleasant smell, up to 1.5m in height. Leaves: Whorled, cylindrical, succulent, small. Flowers: Small, trumpet shaped, clustered in the leaf axils, obscured by a mass of white hairs, giving the plant a wooly appearances. Fruit: Splits into two when ripe. Flowering period: January to May. Habitat: This plant grows on gravel plains and wadis. Found in Northern Oman. Altitude: up to 1700m. Uses: Crushed with Fagonia indica, and given to animals to induce eating, it also as acts as a laxative.