Perennial scrambling herb. Leaves ovate, 2.5-10 cm long. Flowers prolific in onesided clusters, blue or white, about 2.5 cm long, 3 cm wide, with spreading lobes. Fruit capsule 2.5 cm long.

India, Malay Peninsula, Africa

A groundcover or hanging basket plant that has become a pan-tropical weed; naturalised in Queensland.

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