Characters: Colonies are thick plates with or without contorted nodular columns or branches. Corallites are immersed or exsert, cup-shaped, tubular, or ‘nariform’ (where openings on the sides of tuberculae give them the shape of a roman nose, as with corallites of nariform Acropora). Tuberculae may also be fused into smooth ridges.
Colour: Mottled or uniform purple or brown, usually with white polyps.
Similar species: Plate-like colonies may resemble those of Montipora monasteriata. See also M. spongodes.
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