Erect or subdecumbent, 6-8 in, high; branches numerous, spreading, flexuous, rigid, pubescent; leaves 3-nate (or, also 4-nate, Andrews), erect-spreading, imbricate, elliptic or oblong, subobtuse, trigonous or round-backed, sulcate, thick, glabrous, gland-ciliolate, about 1 lin. long; flowers 3-nate, calycine; pedicels tomentose with subplumose or barbellate hairs, about 1 lin. long; bracts approximate, ovate to lanceolate, cartilaginous, deeply and prominently pectinate-ciliate, whitish or tinged-lilac, about 1 lin. long; sepals like the bracts but broad-ovate, or nearly orbicular, keel-tipped, the closely-ranked cilia on the margin in well-grown plants barbellate and gland-tipped, concave, a little over 1 lin. long and broad; corolla campanulate-cyathiform (in age becoming more globose) glabrous, dry, white or rosy, mostly 1 1/2 (rarely 2) lin. long; segments slightly spreading, rounded, about 2/3 of the tube in length; filaments slender, sometimes dilated at the base, thickened and bent near the anther; anthers included, lateral, dorsifixed at, or just above the base, oblong or subsemiovate, sometimes recurved, smooth, ciliate at the base, 1/2 lin. long or a little more or less, awned; pore 3/4 the length of the cell; awns spreading, subulate, ciliolate, about 1/2 the cell in length; style included, 4-gonous; stigma simple (or sometimes capitellate, or 'subpeltate', Bentham); ovary depressed, densely woolly with longish white hairs.
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Erect shrublet to 70 cm. Flowers small, calycine, urn-shaped, white, occasionally pink.