Achenes dark-brown or black 4.5–5 x 1.5–2 mm. including a c. 1 mm. long paler-coloured beak, flattened-ellipsoid, ± winged on the margins and narrowly 1(2)-ribbed on each face, glabrous; pappus several-seriate, of white barbellate setae c. 7 mm. long.
Synflorescence paniculate; branches ascending, glabrous with ovate to narrowly lanceolate bracts.
Florets 20–28 per capitulum; corollas yellow 13–15 mm. long, tube slender, cylindric, pubescent about the mouth; ligule c. 7–9 x 1.5–2 mm., lorate, glabrous.
Leaves cauline sessile, not or scarcely auriculate, glabrous; lower leaves up to c. 22 x 14 cm., pinnatipartite, narrowly ovate to broadly elliptic in outline, remotely 2–5-lobed, the terminal lobe up to c. 9.5 x 2.5 cm. lanceolate, lateral lobes up to c. 5.5 x 1 cm. lorate; upper leaves smaller, undivided and lanceolate to linear-lanceolate, sometimes lobed.
Phyllaries 4–5-seriate, glabrous; the outermost 2–5 mm. long, ovate; the innermost to c. 14 mm. long, lorate-lanceolate.
Capitula numerous, stalked; stalks up to c. 2.5 cm. long, imbricately bracteolate particularly when young; involucres 8–10 x 3.5–4 mm., cylindric at time of flowering, increasing to c. 14 x 7 mm. and becoming pyriform in fruiting capitula.
Stems solitary, branching above, glabrous.
A stout erect leafy annual or biennial herb up to c. 1.5(4) m. tall.
Stout leafy annual herb to 4 m. Leaves up to 20 x 5 cm, often much narrower, entire, denticulate, pinnatifid, pinnatisect, or runcinate-pinnatisect, the lower attenuate into a winged petiole-like base, the upper sessile, not or scarcely auricled. Heads many in a long relatively narrow panicle. Involucre up to 14 x 6 mm. Flowers yellow. Achenes c. 4.5 mm long including 1 mm beak, oblong, rounded at both ends, strongly compressed, median rib on each face, broadly winged, transversely wrinkled, black.
In Natal, mainly coastal, not recorded above about 1200 m, often along roadsides and as a weed of cultivation.