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Perennial herb or shrub, up to 2 m high. Leaves glabrous or nearly so (sometimes with few bristles on nerves beneath), coarsely serrate or crenate-serrate. Epicalyx of 5 bracts, lorate or linear. Flowers yellow with dark centre.
Epicalyx of (usually) 5 bracts; bracts up to 20 × 2 mm., lorate, glabrous or nearly so, approximately equalling the calyx-lobes, joined for 1–2 mm. at the base.
Flowers up to c. 8 cm. in diam., yellow with dark centre, solitary, axillary; peduncle up to 10 mm. long, glabrous or puberulous, not conspicuously articulated.
Calyx up to 20 mm. long, nearly glabrous; lobes ± lorate or caudate with 1 prominent central nerve, nearly glabrous, joined for up to c. 7 mm. at the base.
Capsule 15–20 mm. in diam., subglobose, stellate-setulose, valves gradually attenuated into awns up to 6 mm. long.
Petals up to 7·7 × 4·5 cm., obovate, pubescent outside where not overlapping, densely tomentellous in bud.
Shrub up to 2 m. tall or somewhat woody perennial herb; stems nearly glabrous.
Staminal tube 20–25 mm. long; free parts of filaments 2·5–3 mm. long.
Seeds 2·5 × 3 mm., subreniform, minutely stellate-puberulous.
Style-branches 3–4 mm. long.
