Erect, stout, branched, 2-3 ft. high; branches puberulous and sparsely pilose; leaves 3-nate, spreading, linear-lanceolate, acute, open-backed, puberulous above, velvety or nearly glabrous, and often paler, beneath, long ciliate or naked, 3-4 lin. long; flowers 3-nate, sub-calycine; pedicels pubescent, 2 lin. long; bracts subapproximate; sepals lanceolate, acute, pubescent, coloured, 2 lin. long; corolla broadish-ovoid-suburceolate, mouth moderately contracted, pubescent, white, about 2 1/2 lin. long; segments suberect, obtuse, about 3/7 the length of the tube; filaments broad-sigmoid below the anther, sparsely pilose and ciliate; anthers included, oblong, not tapering to the base; cells bipartite, dark-coloured, 3/4 lin. long; crests spreading, ovate in outline, acute, deeply incised, about 1/2 the length of the cell; style exserted; stigma bluntly conical, rather large; ovary silky-pubescent.
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Erect shrub to 1.8 m. Flowers small, urn-shaped, white, hairy.