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Biennial herb, up to 1.5 m high; stem simple below inflorescence, glabrous, densely leafy. Leaves: blade of basal leaves narrowly elliptic, up to 400 x 60 mm, 1/3 of this petiole-like; upper leaves smaller, passing into bracts, sessile, base narrowed, auriculate, decurrent in conspicuous wings, margins callose-denticulate; both surfaces glabrous or upper surface glabrescent, lower surface cobwebby. Heads radiate, many in broad, flat-topped, corymbose panicle. Involucral bracts ± 20, 7-8 mm long, shorter than disc florets, occasionally cobwebby; calyculus bracts many, in several series, margins glandular. Flowers: ray florets ± 13; ray and disc florets bright yellow; Jan. Fruit with cypsela (and ovary) cylindric, ribbed, glabrous.
Stout herb, biennial(?). Stem simple, up to 1.5 m high, glabrous, leafy. Leaves: radical leaves oblong-lanceolate, up to 400 mm long, lower third petiole-like; cauline leaves smaller, becoming bracts, base auriculate, decurrent on stem, margins callose-denticulate, wings conspicuous, upper surface cobwebby, glabrescent or glabrous, lower surface cobwebby or glabrous. Inflorescence a broad, flat-topped, corymbose panicle. Capitula many, radiate, disc and rays bright yellow, rays ± 13, ± 8 mm long, often reflexed; involucre campanulate; bracts ± 20, 7-8 mm long; calyculus bracts many, series several. Flowering time Nov.-Mar. Cypselae cylindrical, ± 5 mm long, ribbed, glabrous.
Herb, up to 1.5 m high. Leaves glabrous or cobwebby; cauline leaves decurrent on stem in conspicuous wings. Heads radiate, rays ±13; involucral bracts ± 20, 7-8 mm long. Ovaries and achenes glabrous. Flowers bright yellow.
