Erect, 1 ft. or more high; branches thinly tomentose, also with sparsely scattered long hairs; leaves 3-nate, spreading-incurved, linear, obtuse, deeply sulcate, or the lower somewhat open-backed, setaceous-pilose, with long spreading tubercle-based hairs, glabrescent but the tubercles persistent, 2-3 lin. long; flowers sub-3-nate; pedicels pubescent, about 2 1/2 lin. long; bracts remote, subbasal, minute; sepals like the younger leaves, setose-pilose and ciliate with mostly very long hairs, 1 1/2 lin. long; corolla suburceolate-cyathiform, with only a slight contraction at the throat, sub-4-gonous at the base, setaceous-pilose, white, 2 1/2-3 lin. long; segments erect or slightly spreading, broadly rounded; filaments bent at the apex; anthers included, cuneate-oblong, acute, brown, about 3/4 lin. long, cristate; crests short, ovate, lacerate; style exserted; ovary thinly hispidulous.
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Erect shrublet to 50 cm. Flowers small, urn-shaped, white to pale pink, hairy.