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]

S America

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