Erect, 4-8 in. high; branches many, stout, rigid, corymbose, tomentulose; leaves erect-spreading, crowded, closely and neatly imbricate, broad-linear-trigonous, sulcate, rigid, glabrous, glossy, ciliate-serrulate, 2-3 lin. long; flowers usually scanty at the ends of the longer branches, subcorolline; pedicels stout, tomentulose, 1-1 1/2 lin. long; bracts approximate, adpressed, narrow-ovate, acute, keel-tipped, ciliolate or naked, concave, paleaceous; sepals like the bracts, but longer, pallid, about 1 1/4 lin. long, reaching to a little lower than the top of the corolla-tube; corolla cyathiform, slightly widened upwards from the throat, white, 1 1/2-1 3/4 lin. long; segments ovate, very little spreading, about as long as the tube; filaments capillary; anthers lateral, included, shorter than the corolla-segments, but just manifest (or acc. to Bentham, sometimes exserted); cells deeply partite, oblong, obtuse, slightly narrowed to the base, subscaberulous, dark red, 1/2 lin. long, subulate-aristate; pore about 1/3 the length of the cell; awns curved, acuminate, serrulate or ciliolate, about 1/2 the length of the cell; stigma broad-capitate or peltate; ovary pallid.
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Erect shrublet to 40 cm. Flowers small, calycine, open cup-shaped, white.