Hibiscus dongolensis Del. ex Cailliaud

dongolensis: of Dongola on the Nile in northern Sudan, where the type specimen was collected.

Robust shrub-like herb, up to 2 m tall. Stems nearly hairless. Leaves ovate to ovate lanceolate, up to 10 × 7 cm, unlobed or rarely obscurely 3-5-lobed, nearly hairless except occasional hairs on the veins beneath; margin coarsely toothed. Petiole up to 6 cm long, usually hairless except for a longitudinal line of short soft hairs. Flowers solitary, axillary, c. 8 cm in diameter, yellow with a small dark centre, often drooping and not opening widely. Epicalyx bracts usually 5, very sxhort, up to 20 × 2 mm, lorate, nearly hairless, about as long as the calyx lobes. Calyx up to 20 mm long, nearly hairless; lobes lorate to caudate with a prominent central vein, joined at the base for up to c. 7 mm. Fruit a subglobose capsule, 15-20 mm in diameter, bristly stellate hairy, carpels awned up to 6 mm. 

Frequent

Widespread in tropical Africa and South Africa.

Hibiscus dongolensis là một loài thực vật có hoa trong họ Cẩm quỳ. Loài này được Caill. ex Delile mô tả khoa học đầu tiên năm 1826.