Cestrum aurantiacum Lindl.

Orange Cestrum

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: 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.

Hero image
kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Asteranae
order      Solanales
family       Solanaceae
genus        Cestrum L.