Latin bractea — bract, anthus — flower, as the capitula have many conspicuous bracts.
Annual to perennial herbs with rhizomes or a taproot. Leaves along stems, alternate, entire, glandularhairy, sessile. Capitula diskiform, terminal, solitary or a few together. Involucral bracts in 8-12 overlapping rows, unequal, papery, yellow, white or pink. Receptacle sometimes with short bristles, flat. Outer florets female, filiform, yellow. Inner florets bisexual, tubular, yellow. Achenes quadrangular, glabrous. Pappus of barbed bristles.
Many rows of coloured involucral bracts.
About 7 species from Australia.
Source: (2002). Asteraceae. 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.