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: (2002). Acanthaceae. 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.