Greek mazos — breast, referring to the bulges in the corolla throat.

Low-growing, annual or perennial herbs, often creeping and rooting at the nodes. Leaves wavy or toothed, upper ones alternate, lower ones opposite or in a rosette. Flower clusters terminal and more or less 1-sided, or flowers solitary. Calyx bell-shaped, 5-lobed. Corolla tube short, 2-lipped, upper lip erect and smaller than the spreading lower lip, 2 breast-like protuberances in the throat, white to bluish violet. Stamens 4, in 2 pairs. Fruit a loculicidal capsule containing numerous seeds.

Grown as summer-flowering groundcovers in shady, acidic areas.

Division and seed.

Creeping plants with prominent calyx lobes, the flowers without a throat constriction.

About 30 species from Australasia, the Malay Archipelago and Asia.

Source: Spencer, R. (2002). Scrophulariaceae. 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.