Perennial herb to 1 m or so tall with a distinctive red sap. Leaves alternate or in pairs, ovate to elliptic, to 12 cm or so long, with a long-pointed tip and short stalk. Flowers in 1s and 2s, drooping, tubular, to about 5 cm long; summer to autumn. Corolla purplebrown to green. Fruit to about 2 cm wide, roundish, glossy black when mature.
All parts of the plant are poisonous if eaten and the plant, although available in some nurseries, should only be grown under strict supervision.
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.