Perennial, woody, rough-stemmed climber sometimes grown as an annual. Leaves to about 7 cm long, broadly ovate, palmately 5-7-veined; the leaf stalk winged. Flowers solitary. Calyx of 10-13 sepal lobes. Petal tube about 5 cm long; summer.
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.