Delicate perennial herb, probably mat-forming, branches filiform, prostrate or diffuse, 80-100 mm long, thinly and loosely woolly, young parts leafy. Leaves 5-7 x 1.5-2 mm, spathulate, apex subacute, base much narrowed, half-clasping, both surfaces loosely greyish-white woolly. Heads homogamous, cylindric, 4 x 3 mm, solitary at the branchlet tips, overtopped by leaves. Involucral bracts in 4 series, graded, woolly on backs, outer loosely webbed to 2 adjacent leaves, inner scarcely exceeding flowers, not radiating, tips truncate, emarginate, opaque, pale buff, opaque patch extending briefly down midline. Receptacle shortly honeycombed. Flowers ±18-20. Achenes not seen, ovaries with myxogenic duplex hairs. Pappus bristles many, probably biseriate (material young), about equalling corolla, scabrid, bases scarcely cohering by minute patent cilia.
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Like H. litorale but more delicate, leaves smaller, to 7 mm long and heads smaller, ± 4 x 3 mm and always solitary.