Biennials or short-lived perennials, 30–60 cm; taprooted. Stems densely and persistently white-tomentose, usually with stipitate-glandular hairs protruding through tomentum. Leaf blades (crowded, internodes mostly 1–3, sometimes to 10 mm) linear-lanceolate, 3–7 cm × 1–5(–6) mm, bases subclasping, not decurrent, margins strongly revolute, faces bicolor, abaxial densely white-tomentose, adaxial green, densely stipitate-glandular. Heads in corymbiform arrays. Involucres broadly campanulate, 5–6 mm. Phyllaries in 5–7 series, bright white (opaque, dull), oblong to oblong-ovate, glabrous. Pistillate florets 66–85. Bisexual florets (6–14, California)29–44. Cypselae ridged, smooth. 2n = 28.
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