Perennial herb 50-200 mm tall, much branched from the base and woody there, stems simple or subsimple branching above into the compound inflorescence, grey-woolly, leafy. Leaves up to 22 x 5 mm, diminishing upwards, linear, linear-oblong, or lanceolate, acute or subacute, mucronate, base broad, half-clasping, often auriculate, margins crisped undulate, both surfaces grey-woolly or cobwebby, sometimes glabrescent. Heads heterogamous, campanulate, ±4-5 x 3-4 mm, solitary or few in terminal clusters, these arranged in a leafy corymbose panicle. Involucral bracts in ±6-7 series, graded, loosely imbricate, innermost just overtopping flowers, all tips subacute to obtuse, somewhat concave, light golden-brown, innermost minutely radiating. Receptacle shortly honeycombed. Flowers 40-66, 6-13 female, 30-55 homogamous. Achenes not seen, ovaries glabrous, or rarely with myxogenic duplex hairs. Pappus bristles many, equalling corolla, tips shortly subplumose or barbellate, bases nude, not cohering.
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Bushy, grey-woolly subshrub, up to 300 mm tall. Leaves linear to lanceolate, undulate or crisped, mostly 10-20 x 1-5 mm, grey-woolly. Flowerheads clustered in branched corymbs, disciform, campanulate, ± 4-5 mm long, bracts ± 7-seriate, obtuse and apically cucullate, golden-brown or tipped reddish, florets 40-60.
Like H. cylindriflorum but heads campanulate, with 40-70 florets and involucral bracts almost uniformly golden-brown, tips not spreading.
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