Shrub mostly 2-4 m tall but sometimes taller. Leaves to about 6 cm long, 3 cm wide, ovate, often asymmetric, margin toothed or scalloped; stalk to 1 cm long. Flower clusters axillary, mostly on old wood. Flowers about 2.5 cm long, tubular and curved, hanging, brick red, 2-lipped. Fruit a blackish berry.

Tropical and S Africa

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.