The Acalypha wilkesiana (common name: Copperleaf, Jacob's Coat, Fire-Dragon; Family: Euphorbiaceae) along this stretch of North Bridge Road across the City Hall MRT was planted for many, many years now. Surprisingly, till today, the plants still look very healthy.
I was snapping photos of the plant until the camera battery went dead on me. A link on this shrub is shown below: