Annual herb to 40 cm tall, hairy. Stems erect, branched. Leaves linear to linearlanceolate, to 7 cm long, to 7 mm wide, more or less sessile. Capitula to 5 cm across; summer. Ray florets bright orange. Disk florets orange with blackish hairs. Achenes 3-angled, to 3 mm long. Pappus of 1 or 2 short bristles. [Z. linearis Benth.]
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.