Biennial or short-lived perennial herb up to 1.3 m tall, stem stout (base up to 10 mm diam.), usually simple below the inflorescence branches, sometimes forking once or twice near the base, thinly greyish-white woolly, leafy. Radical leaves rosetted in the first year of growth, wanting at flowering, up to 150 x 30 mm, elliptic, narrowed to a broad clasping base, apex obtuse or subacute, apiculate, both surfaces thinly greyish-white woolly; cauline leaves up to 80 x 30 mm, diminishing in size upwards, oblong-lanceolate or elliptic-lanceolate, apex usually acute, base clasping, all but the uppermost at least shortly decurrent, upper surface glandular-setose, thinly cobwebby, lower thinly greyish-white woolly. Heads heterogamous, depressed-globose, ±25-32 mm across the radiating bracts, many in a large corymbose panicle. Involucral bracts in ±9 series, graded, imbricate, much exceeding the flowers, acute, glossy, bright yellow, radiating. Receptacle shortly honeycombed. Flowers ±900-1260, 35-110 female, 850-1150 homogamous, yellow. Achenes 1 mm long, barrel-shaped, obscurely ribbed, glabrous. Pappus bristles many, equalling corolla, tips barbellate, bases sometimes cohering lightly by patent cilia.
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Biennial or short-lived, perennial herb, up to 1.3 m high, stem stout, usually simple, thinly greyish white-woolly, leafy. Leaves: radical leaves absent at flowering, up to 150 mm long elliptic, clasping base broad, both sides thinly greyish white-woolly; cauline leaves up to 80 mm long, smaller upwards, oblong or elliptic-lanceolate, clasping. Capitula depressed-globose, ± 25-32 mm in diam., many in a large, corymbose panicle; involucral bracts in ± 9 series, graded, glossy, bright yellow. Flowers 900-1260, yellow. Flowering time Nov.-Apr. Pappus of many bristles, apex barbellate. Cypselae 1 mm long, barrel-shaped, ± ribbed.
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