A spreading perennial herb. Leaves spoon-shaped. Flowers cup-shaped, about 2.5 cm wide, white with a hint of yellow or pink; summer. [N. rivularis Miers]
Source: (2002). Solanaceae. 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.