Erect or ascending annual herb, 5-30 cm tall. Stems tomentose, branched at base or only above to form infl. Cauline lvs tomentose on lower surface, densely tomentose on upper, linear, acute, apetiolate and broad-based, somewhat involute, (5)-12-25 × 0.5-1-(1.5) mm. Capitula c. 1-2 mm diam., in sessile clusters of 2-8-(12), terminal or in axils of branches; lvs subtending clusters linear-lanceolate, clearly exceeding clusters. Involucral bracts tomentose, c. 1.5 mm long. Outer scales tomentose outside, herbaceous with membranous margin, c. 3 mm long, keeled at base; inner scales almost glabrous, membranous, obtuse to acute at apex, c. 3 mm long. Disc yellowish. Achenes of outer ♀ florets glabrous, 0.8 mm long; achenes of inner florets minutely and sparsely papillate, 0.5-0.6 mm long; pappus caducous, denticulate, free at base.
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