A small shrub, about 18 in. high; stem erect, sparingly branched; branches densely leafy, glabrous; leaves mostly parallel with the stem; at length sometimes spreading, linear, acutely mucronate, flat above, keeled below, more or less triangular in section, 5-8 lin. long, finely scabrous on the margins and keel; flowers stalked, in dense terminal bracteate heads 4-5 lin. in diam.; bracts ovate-lanceolate, acutely acuminate, sharply keeled, as long as the flowers, with broad membranous jagged margins in the middle third of their length, glabrous; bracteoles a little shorter and narrower than the bracts but otherwise similar; perianth 1 1/4-1 2/3 lin. long; segments lanceolate, sub-obtuse, 3/4-4/5 lin. long, horned at the apex, with a dense apical beard; anthers included, at the base of the perianth-tube, 1/4 lin. long; stigma sessile or nearly so; fruits ellipsoid-globose, 3-3 1/2 lin. long, prominently 10-ribbed, shining and nearly smooth between the ribs.
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Like T. capitatum but flowers with short style or stigma sessile.
A shrub. It grows 40 cm tall. The branches are densely leafy.
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