The scent of this quick-growing and evergreen woody shrub, often used for screens and borders, is released by day.

The branches, which are green and with well-marked white lenticels when young, fawn with age.

[1] Stamens oblong, five in number, alternate with the corolla lobes, brown in colour, included.

[3] Cestrum diurnum is one of only three rangeland plants known to contain glycosides of the vitamin D metabolite 1,25-dihydroxycholecalciferol aka 1,25-OHD3.

Consumption of glycosides of 1,25-OHD3 by grazing animals leads to a vitamin D toxicity resulting in calcinosis, the deposition of excessive calcium in soft tissues.