Latinised form of doronigi, the Arabic name for the plants.
Perennial herbs, tuberous or rhizomatous, glabrous to hairy. Stems erect, simple or little-branched. Leaves basal and along stems, alternate, simple, margins entire or toothed, petiolate or sessile. Capitula radiate, terminal, solitary or in corymbs, with stalks. Involucral bracts in 2 rows, overlapping, more or less equal. Receptacle often hairy, convex. Ray florets female, ligulate, yellow. Disk florets bisexual, tubular, yellow. Achenes obloid, ribbed, hairy or glabrous. Pappus of simple bristles, often absent from ray achenes.
Tuberous or rhizomatous habit; large, bright yellow capitula.
About 40 species from the Mediterranean region and Asia.
Source: (2002). Dahlia. In: . Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.