Latin sanctum linum — holy flax, an old name for S. rosmarinifolia L.
Small shrubs, aromatic, glabrous to hairy. Stems erect or ascending. Leaves along stems, alternate, margins entire to divided. Capitula diskoid, terminal, solitary, with long stalks. Involucral bracts in several rows, overlapping, unequal. Receptacle with scales, convex. Florets bisexual, tubular, yellow or white. Achenes oblong, 3-5-angled. Pappus absent.
Small shrubs with long-stalked diskoid capitula; receptacle scales with a resin canal; pappus absent.
8 species from S Europe and N Africa.
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.