Flowers up to 5 cm. in diam., yellow with reddish or purple centre, solitary, axillary; peduncle up to 4 cm. long, articulated above the middle.
Epicalyx of c. 10 bracts; bracts up to 12 mm. long, filiform, usually extending beyond the sinuses formed by the calyx-lobes.
Herb 1–2 m. tall; stems crisped-pubescent or tomentose and with sparse to dense stellate or simple bristles.
Petals up to 3 × 2 cm., obovate-elliptic, stellate-pubescent outside where not overlapping.
Capsule 12 × 10 mm., subglobose, densely pubescent; awns of the carpels up to 5 mm. long.
Calyx up to 25 mm. long; lobes elongate-acuminate, joined at the base for up to 8 mm.
Staminal tube c. 18 mm. long; free parts of filaments 0·5–1·5 mm. long.
Seeds 2·3 × 1·8 mm., angular-subreniform, sparsely white-lepidote.
Style-branches 2 mm. long.