 As in most species of the genus, the bodies of "Portia labiata" females are 7 to 10 millimetres long and their carapaces are 2.8 to 3.8 millimetres long.Males' bodies are 5 to 7.5 millimetres long, with carapaces 2.4 to 3.3 millimetres long.The carapaces of females are orange-brown, slightly lighter around the eyes, where there are sooty streaks and sometimes a violet to green sheen in certain lights.