Erect, 1-2 ft. high; branches stout, hirsute; leaves 4-nate, incurvo-patent to squarrose, linear, obtuse, sulcate, hirsute and rough with minute whitish tubercles at the base of the hairs, 1-2 lin. long; petiole somewhat long; flowers 4-nate; pedicels hirsute, 1 1/2-2 1/2 lin. long; bracts remote, small; sepals lanceolate, hirsute, foliaceous, 1/2-1 lin. long; corolla ovoid-urceolate, or more rarely broad-urceolate, throat contracted, roughly tuberculate-hirsute (as the leaves), pale purple, usually darker at the apex, 1 1/2-2 lin. long; segments spreading, about 1/4 or more rarely the length of the tube; filaments slender; anthers included, dorsifixed, ovate-cuneate, subacute or obtuse, sparsely hispidulous below, 1/5 lin. long, aristate or subcristate; pore narrow-elliptical, less than 1/2 the length of the cell; awns broad-linear, pale brown, ciliate with long thickish hairs, as long as or longer than the cell; style included, slender; stigma capitate; ovary glabrous.
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Erect shrublet to 1 m. Flowers small, ovoid, mauve-pink.