Annual herb forming small woolly mats 30-100 mm across, stems few to many from the crown, prostrate, filiform, well branched, very loosely greyish-white woolly, distantly leafy then closely so near the tips. Leaves 3-8 x 1-2 mm, diminishing upwards, spathulate, obtuse, base much narrowed, both surfaces loosely greyish-white woolly. Headsheterogamous, campanulate, c. 4 x 3 mm, solitary on short leafy branchlets massed at the branch tips in woolly, leafy glomerules in which the heads are buried. Involucral bracts biseriate, subequal, loosely woolly, pellucid, tips exceeding flowers, opaque, white, very obtuse, minutely radiating. Receptacle shortly honeycombed. Flowers 39-60, 19-41 ('female'), 16-21 ('bisexual'), ('female') and ('bisexual') subequal, or ('female') up to twice as many as ('bisexual'). Achenes less than 0.5 mm long, with myxogenic hairs, or hairs sometimes wanting on ('bisexual') flowers. Pappus bristles barbellate near tips, shaft smooth, bases cohering strongly by long patent cilia.
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Small, prostrate or decumbent annual, stems up to 80 mm long. Leaves spathulate, greyish white cobwebby-woolly. Flowerheads discoid, small, in woolly glomerules at branchlet tips; involucral bracts colourless, whitish or pale straw-coloured; disc whitish, occasionally tipped reddish. Cypselas glabrous; pappus bristles plumose within upper half.
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