Erect, 6-10 in. high; branches slender, erect, tomentose; leaves 3-nate (or 4-nate, Bentham); erect-spreading, or squarrose below, narrow semiterete, sulcate, obtuse, glabrous, under 2 lin. long; flowers 3-nate; pedicels bent, 1 lin. long; bracts 3, remote, median, one foliaceous, the others shorter, coloured; sepals linear or linear-lanceolate, acute, sulcate, glabrous or pubescent, foliaceous, 1 lin. long; corolla urceolate, mouth contracted, densely hispid, subviscid, white, about 2 lin. long; segments ovate, recurved, dark purple, short; filaments capillary, curved at the apex; anthers included, dorsifixed near the base, broad-oblong, very obtuse, about 1/4 lin. long, aristate; pore half the length of the cell; awns subulate, about 3/4 the length of the cell; style included; stigma capitellate; ovary pilose-pubescent.
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Erect shrublet to 80 cm. Flowers small, urn-shaped, hairy, white with distinctive brown lobes.