After Alexandre-Henri Gabriel de Cassini (1782–1832), a French botanist who published extensively on daisies.
Woody shrubs or small trees, aromatic, hairy. Stems erect, branched. Leaves along stems, alternate, margins entire, curved under, sessile. Capitula diskoid or diskiform, in terminal corymbs or panicles, shortly stalked. Involucral bracts in 3-5 rows, overlapping, unequal, often pinkish or white. Receptacle with scales, conical. Outer florets female, tubular or filiform, often absent, yellow. Inner florets bisexual, tubular, yellowish. Achenes cylindrical, hairy. Pappus of barbed bristles, joined at the base.
Small capitula in dense terminal clusters; shrubby habit.
About 20 species from Australia and New Zealand.
Source: (2002). Asteraceae. 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.