Annual herb to 1 m tall, woody at base. Stems sprawling to erect, branched. Leaves elliptic to obovate, to 6 cm long, to 2 cm wide, gland-dotted, margins toothed, glabrous to sparsely hairy, petiolate. Capitula to 2 cm across; summer to autumn. Florets mauve to purple. Achenes 2-2.5 mm long. Pappus early deciduous.

C and S America

C. punctatum Cass. subsp. australianum Kirkman is possibly native to Queensland. It differs from the type subspecies in having leaves with fewer teeth or lobes, and smaller capitula.

Source: Jeanes, J. (2002). Asteraceae. 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.