A slender to bushy, long-lived annual or perennial herb, 0.2-1 m tall. Stems leafy, sparsely to much-branched in the upper part, becoming stout and woody at the base (to c. 2 cm in diam. fide P.A. Smith), strongly ribbed at least above, pilose and glandular, the hairs flagelliform; branches spreading, to c. 40 cm long. Leaves alternate, sessile or subsessile, mostly 3-14 x 0.8-4 cm., narrowly oblong to elliptic or ovate-oblong, apex obtuse, base rounded to subcordate or less often cuneate, margins subentire to serrate sometimes coarsely remotely so or dentate-lobed; shortly pilose or pubescent, ± sparsely so on the upper surface, hairs flagelliform Capitula many, laxly corymbiform cymose; stalks slender, 0.3-9 cm long. Involucres 5-7 x 9-15 mm, broadly campanulate. Phyllaries numerous, lanceolate, the innermost lorate, all tapering acuminate and ± bristle-Upped, margins narrowly subhyaline and finely pectinate towards the apex, pilose and glandular, ± obscurely 3-nerved, the outer from c. 2 mm long, the inner to c. 7 mm long. Corollas purple to dark-mauve, to c. 6 mm long, narrowly funnel-shaped, the lobes with short acicular-setae and a few flagelliform hairs, limb and tube glandular outside. Achenes numerous, 1.2-1.8 mm long, narrowly oblong-ovoid, c. 4-ribbed, rugulose and with globose glandular trichomes sunk in pits between the ribs, sparsely setulose or glabrous except for glands; pappus of caducous subplumose bristles 3-4 mm long.
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Annual or perennial herb, 0.2-1.0 m high, pilose and glandular. Leaves sessile or subsessile, alternate. Heads many, laxly corymbiform cymose; involucral bracts lanceolate, acuminate and bristle-tipped. Pappus of caducous subplumose bristles. Flowers purple Or dark mauve.