Characters: Small colonies are cushion-shaped, becoming more table-like or tiered with increasing size. Branches are thin, vertical and close together. Those on the sides of colonies have irregularly upturned ends. Axial corallites are usually prominent. Radial corallites are rasp-like and uniform in size.
Colour: Usually pale to dark grey-brown.
Similar Species: Acropora hoeksemai, which has larger, more widely spaced branches and has tubular corallites.
Habitat: Horizontal surfaces protected from wave action.
Taxonomic References: Wallace (1997); Wallace (1999); Veron (2000a); Wallace, Done and Muir (2012);