Perennial herb to 1.5 m tall, hairy. Stems erect. Leaves ovate to lanceolate, to 15 cm long, to 8 cm wide, margins coarsely toothed, upper ones sometimes entire. Capitula solitary or few together, to 7.5 cm across; autumn. Ray florets pale to dark yellow. Disk florets yellow. Achenes to 5 mm long, glabrous. Pappus of 2 or 3 scales or a crown.

N and C America

Source: Lawson, L.; Spencer, R. (2002). Dahlia. In: Spencer, R.. 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.