Colonies are up to 0.3 metres across and are usually prostrate. Branches are irregularly fused. They are not tapered and do not have sharp points. Corallites are arranged irregularly or in indistinct rows. They have a well defined rim, but do not have hoods. Polyps are extended day and night.
A wide range of colours, with polyps and branches of contrasting colours.
Shallow reef environments especially where protected from strong wave action including vertical walls and beneath overhangs.