Perennial herb to 2 m tall, glabrous. Stems simple. Leaves ovate, to 15 cm long, margins entire or toothed. Capitula diskoid, solitary, to 8 cm across; summer. Florets brownish black. Pappus a crown.
Western USA
The cultivar 'Green Wizard' is listed.
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.