An erect, much branched shrub 60-80 cm high, rather stout below the middle, wiry above. Branches slender, clothed with grey, spreading pubescence. Leaves 7-10 mm long: lamina erect-spreading, linear-lanceolate, acute, cordate at base, with revolute margins covering all or most of the lower surface; upper surface studded with well-spaced, small tubercles, each at first tipped with a soft hair: petiole about 1 mm long, slightly compressed, pubescent. Capitula 5-7 mm wide, hemisphaeric, many-flowered, solitary or clustered. Bracts about 3 mm long, lanceolate, pubescent on the back. Bracteoles 3 or 4, linear. 2 mm long, pubescent on the back. Flowers subsessile, 2.5 mm long, clothed outside with soft, ascending, grey hairs: calyx-tube about 1.25 mm deep, cyathiform, without a distinct disc: sepals 1.25-1.5 mm long, ovate-lanceolate, convex, strongly recurved. Petals inserted at the mouth of the tube, acicular, scarcely 0.5 mm long. Anthers 1-celled. Ovary obconic, surmounted by a fleshy cap projecting into the tube. Stigma sessile. Fruit 5 mm long, obovate, sparsely pubescent except for the wide, convex summit.
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Twiggy shrub to 80 cm, grey-pubescent on young parts. Leaves lanceolate, 7-10 mm long, rough, margins revolute. Flowers in small, solitary or clustered capitula, white, subsessile.