Characters: Colonies are arborescent, with thick upright to prostrate branches. They may form stands 7 metres across. In shallow water branches are short and compact, while in deeper water colonies have more open branches. Radial corallites are of mixed sizes and shapes; those near branch tips are long and tubular and similar to axial corallites.
Similar Species: Acropora formosa, which has similar but smaller corallites, does not have elongate radial corallites near branch tips and does not have branch tips that are as readily crushed. Acropora nobilis is smaller and has rasp-like, not tubular, radial corallites.
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