Perennial herb, stock often with vegetative buds, stems solitary or 2-6 from the base, usually simple below the inflorescence branches, mostly ±750-1500 mm high, precocious plants shorter, glandular setose, upper parts sometimes thinly cobwebby as well, leafy throughout. Leaves mostly 50-70(-80) x 8-20(-26) mm, smaller on the inflorescence branches, oblong or oblong-lanceolate, uppermost lanceolate, acute to acuminate, mucronate, base cordate-clasping, shortly decurrent, both surfaces glandular-setose, margins and mid-vein below often white-woolly as well. Heads heterogamous, depressed-globose, ±10-15 mm long, ±(20-)23-28 mm across the radiating bracts, few to many in a leafy spreading corymbose panicle. Involucral bracts in ±9 series, graded, imbricate, much exceeding the flowers, glossy, bright yellow. Receptacle shortly honeycombed. Flowers ±720-1130, 55-100 female, 800-1025 homogamous. Achenes 1 mm long, barrel-shaped, glabrous. Pappus bristles many, equalling the corolla, tips barbellate, shaft scabrid, bases cohering by patent cilia.
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Perennial herb, 0.75-1.50 m high. Leaves 50-70(-80) x 8-20(-26) mm, smaller upwards, oblong or oblong-lanceolate, shortly decurrent, both surfaces glandular-setose, margins and midvein below often white-woolly. Heads depressed-globose, 10-15 mm long, few to many in leafy corymbose panicle. Flowers with bright yellow involucral bracts.
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