Greek eurys — broad, ops — eye, an allusion to the broad receptacle.
Annual or perennial herbs, or more often shrubs, glabrous to hairy. Stems erect or ascending, usually branched. Leaves mostly along stems, alternate, often crowded, margins entire to divided, sessile. Capitula radiate or rarely diskoid, axillary or appearing terminal, solitary, with long or short naked stalks. Involucral bracts in 1 or 2 rows, fused at base, equal, ribbed. Receptacle pitted, convex. Ray florets female, usually ligulate, yellow. Disk florets bisexual or functionally male, tubular, yellow. Achenes ellipsoid, ribbed or smooth, hairy or glabrous. Pappus of many deciduous, barbed bristles, or absent.
One species has become weakly naturalised in Australia.
Upper axillary capitula on long naked stalks; yellow ray and disk florets.
About 97 species from Africa and the Middle East.
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.