Perennials, (20–)30–70 cm; taprooted. Stems loosely tomentose, not glandular. Leaf blades narrowly oblanceolate, 3–8 cm × 3–6 mm (gradually smaller distally, becoming linear), bases not clasping, decurrent 5–14 mm, margins flat, faces concolor, loosely tomentose, sessile-glandular beneath tomentum. Heads in loose to dense, corymbiform to paniculiform arrays. Involucres turbinate-campanulate, (4–)5–6 mm. Phyllaries in 3–4(–5) series, whitish (hyaline or opaque, usually shiny, sometimes dull), ovate to ovate-oblong (outer broadly acute, inner rounded-apiculate), glabrous. Pistillate florets 35–55. Bisexual florets (2–)4–7. Cypselae ridged, densely papillate-roughened.
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