After Traugott Gerber (?–1743), a German naturalist who travelled in Russia.
Perennial herbs, hairy. Stems absent. Leaves basal, rosetted, ascending or spreading, margins entire to lobed, petiolate. Capitula radiate, terminal, solitary on long stalks. Involucral bracts in 2 to 3 rows, overlapping, unequal. Receptacle flat to convex. Ray florets female, ligulate, 2-lipped, yellow, pink, reddish or white. Disk florets bisexual, tubular, yellow. Achenes compressed, ribbed, hairy. Pappus of barbed bristles. [Gerberia L.]
2-lipped ray florets; rosetted habit.
About 30 species from Africa, Madagascar and tropical Asia; 1 species in S America.
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.