Opercularia Gaertn.
Heads grouped together into a compound head. Plant usually foetid Opercularia
Plant hirsute, ± decumbent, the branches c. 10 cm long. Seeds transversely wrinkled, without prominent longitudinal lines. Leaves ovate to lanceolate, petiolate, 12–25 mm long. Stamens usually 1–2. Hawkesbury and Colo River district; Blue Mts Rocky places and along creek banks. Ss. Fl. spring–summer Opercularia hispida