Perennial herb up to ±1 m tall, stems one or several from the stock, simple below, branching above into the compound inflorescence, glandular-setose, often thinly and loosely white-woolly as well, leafy. Leaves mostly 25-75 x 4-12 mm, sometimes larger (up to 90 x 24 mm) on the lower part of the stem, and often smaller on the inflorescence branches and further reduced near the heads, oblong or the upper ones oblong-lanceolate, apex acute, base broad, more or less cordate-clasping, both surfaces glandular-pubescent, often thinly to thickly greyish-white woolly as well either on both surfaces, or the lower surface, or the lower leaves woolly on one or both surfaces, the upper leaves merely glandular. Heads heterogamous, depressed-globose, ±(10-)12-14 mm long, (18-)20-28 mm across the radiating bracts, solitary at the tips of the long (mostly 45-155 mm) leafy branches of a spreading corymbose panicle. Involucral bracts in ±9 series, graded, imbricate, inner much exceeding the flowers, bright yellow, outer light brown outside. Receptacle shortly honeycombed. Flowers ±850-1200, 100-130 female, 760-1100 homogamous. Achenes 1 mm long, barrel-shaped, glabrous. Pappus bristles many, equalling the corolla, tips barbellate, shaft scabrid, bases with patient cilia, cohering or not.
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Perennial herb, up to 1 m high. Leaves 25-75 x 4-12 mm, smaller upwards, oblong or oblong-lanceolate, both surfaces glandular-pubescent, sometimes thinly to thickly greyish white woolly. Heads depressed-globose, 12-14 mm long, solitary at tips of long leafy branches forming a corymbose panicle. Flowers with yellow involucral bracts, outer light brown outside.