Annual herb with a woody taproot, stems mostly 70-30 mm long, erect or spreading, subsimple or well-branched from the base, thinly white-woolly, leafy. Leaves very variable in size, lowermost up to 50 x 12 mm, upper mostly ±10-15 x 2-5 mm, spathulate or oblong-spathulate to linear, base narrowed, apex subacute, mucronate, both surfaces greyish-white woolly. Heads homogamous or very rarely heterogamous, cylindric-campanulate, ±3 x 2 mm, few to many on short stalks crowded at the branch tips, these often in loose corymbose panicles. Involucral bracts in 5-6 series, loosely imbricate, outer short, pellucid, acute, pale brown or occasionally reddish, bases loosely woolly, inner longer, sub-equal, about equalling flowers, tips opaque milk-white, sometimes suffused pink, or crimson above the stereome, or rarely creamy, very obtuse, crisped, minutely radiating. Receptacle smooth or nearly so. Flowers 14-27, occasionally 1 or 2 female. Achenes 0.75 mm long, usually with myxogenic duplex hairs or occasionally glabrous. Pappus bristles many, equalling corolla, scabrid, bases cohering lightly by patent cilia.
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Erect or sprawling, grey-woolly annual to 30 cm, with a woolly taproot. Leaves oblanceolate-spathulate. Flower heads discoid sometimes disciform, crowded in terminal corymbs, cylindric-campanulate, white to cream-coloured, ± 3 x 2 mm, involucral bracts spreading above, florets 15-25, ovary papillate-hairy sometimes glabrous.
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