Annuals or biennials, 30–70 cm; taprooted. Stems (branched among heads) densely and persistently loosely woolly-tomentose-sericeous, not glandular. Leaf blades narrowly lanceolate to nearly linear, 3–10 cm × 3–6 mm, bases not clasping, decurrent 4–8 mm, margins flat or slightly revolute, faces concolor, tomentose-sericeous (bases of hairs enlarged), sessile-glandular beneath tomentum. Heads in corymbiform arrays. Involucres campanulate, 5–6 mm. Phyllaries in 5–6(–7) series, white (opaque, dull), ovate or elliptic (keeled, apiculate), glabrous. Pistillate florets (80–)115[–180]. Bisexual florets (6–)8–12[–30]. Cypselae weakly ridged, papillate-roughened or smooth.
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