Erect shrub up to 60 cm (2 ft) or so. Branches numerous, stoutish, more or less virgate, pubescent. Leaves 5-8 mm long, 3-, 4-, 6-nate or scattered, erect or spreading, incurved, linear, keeled or round-backed, sulcate, somewhat rigid, glabrous, pale green. Flowers axillary, crowded towards the ends of the branches; peduncles 4-6 mm long, pubescent; bracts median, foliaceous, one often much longer than the others. Sepals 2.5-5 mm long, foliaceous, shorter than or sometimes a little exceeding the corolla-tube. Corolla 4-6 mm long, from subtubular to campanulate, mouth scarcely contracted or widened, viscidulous, glabrous or puberulous, yellow; lobes slightly spreading, about 1 mm long, obtuse. Anthers included or manifest, about 1.25 mm long, subterminal, longitudinally semiovate, very acute or acuminate or subobtuse, cells deeply bipartite, muticous or occasionally decurrent-denticulate along the filament; pore about 2/3 the length of the cell. Ovary turbinate, substipitate, puberulous; style included; stigma capitate.
Erect shrublet to 1(-2) m. Flowers small to large, urn-shaped, in spikes, bright yellow, with slightly exserted anthers.