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Leaves concolorous, membranous, sessile, not stem-sheathing at the base, mostly 11–25 x 2–9 cm., oblong-elliptic, acute at the apex, cuneate or rounded subauriculate below, ± stem-clasping, margin coarsely sharply serrate; very sparsely finely araneose-lanate on both surfaces, or glabrescent; main nerves 9–17 on each side of the midrib, prominent beneath, veins usually faintly loosely reticulate.
Phyllaries dark-purple, appressed imbricate, rarely extending onto the stalk, scarious-membranous, margins obscurely narrowly hyaline, sparsely araneose soon glabrescent, from c. 3 mm. long and triangular-ovate outside, increasing to c. 22 mm. long becoming linear inside; middle phyllaries up to c. 4 mm. wide and oblong-ovate, inner phyllaries narrower.
Florets many; corollas yellowish-white, up to c. 20 mm. long with a long slender tube abruptly dilated into a short cylindric deeply-lobed limb which exceeds the pappus and involucre, glabrous; corolla lobes c. 4 mm. long, linear.
Synflorescence cylindric subpaniculate, 11–25-capitulate; capitula 1–4 on short branches from bract axils, capitula stalks 1–50 mm. long.
Achenes to c. 8 mm. long, narrowly cylindric, densely appressed hispid; pappus of copious fine barbellate setae c. 13 mm. long.
Stems annual, usually solitary, simple, leafy except for the apical part, somewhat compressed-angular, thinly araneose-lanate.
Involucres mostly 15–23 x 4–7 mm., hardly spreading, narrowly cylindric.
An erect suffrutex to c. 80 cm. tall, from a woody rootstock.
