Hairless shrub to 2 m or so tall. Leaves to 7-10 cm long, to about 6 cm wide, ovateelliptic, unpleasant-smelling when crushed, tip pointed. Flower clusters axillary or terminal; year round. Calyx 5-8 mm long. Corolla orange-yellow, the tube about 1.5-2 cm long, slightly swollen towards the mouth, stamens attached about the middle of the tube. Fruit a berry, white at maturity, to about 1 cm long.
An uncommon environmental weed of urban wasteland in SE Qld and coastal NSW.
Toxic to sheep and cattle.
C. parqui L.'Hér.,Willow-leaved Jessamine (Green Cestrum, Green Poisonberry), from Chile has narrow leaves and black fruit and is a declared noxious weed in Qld, NSW and Vic; it is reported as toxic to stock, poultry and sheep.
C. nocturnum L., Night-scented Jessamine (Lady of the Night), from the W Indies is a hairless shrub, with greenish yellow flowers with a very narrow tube produced in summer to autumn; extremely fragrant at night.
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.