Colonies are corymbose cushions, with thin elongate uniform branches. Axial corallites are tubular in shape. Radial corallites are all the same size. They have prominent lower lips giving a scale-like appearance.
Similar Species: Acropora prostrata. See also A. millepora, which has thicker branchlets and larger, more compact radial corallites, A. pulchra, which has radial corallites of similar shape, but of mixed sizes and does not form corymbose colonies, and A. subulata, which has a similar growth-form, but has tubular radial