Characters: Colonies have an exceptionally wide range of growth-forms ranging from flattened plates to cushions. Branches may be flattened or tapered. Axial corallites are often devoid of radial corallites on their upper surface. Radial corallites are all similar and are usually aligned along branches. They change along the branch from immersed to tubular and appressed.
Colour: Usually dark brown or greenish brown, sometimes with light brown or blue branch tips or dark blue with whitish tips.
Similar species: Acropora solitaryensis, which has more highly fused basal branches and A. natalensis which forms prostrate colonies. See also A. nasuta and A. stoddarti.
Habitat: Upper reef slopes, lagoons and fringing reefs.
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