Sparsely branched shrub, 0.5-1.5 m high; often with many, tufted, secondary shoots, hairs long, simple. Leaves alternate, sessile, deeply pinnatifid or bipinnatifid with long, narrow lobes, upper leaves often entire, with long, simple hairs. Capitula discoid, large, solitary on long peduncles; peduncles expanded and hollow at top; involucre broadly campanulate; bracts imbricate, narrowly oblong to ovate, obtuse or acute, straw-coloured, margins ciliate. Receptacle epaleate. Disc florets tubular below, campanulate above, with scattered, long-stalked glands, yellow. Flowering time May. Pappus absent. Cypselae cylindrical, 10-12-ribbed, with minute apical rim.
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