Characters: Colonies have encrusting or laminar bases which may have rootlets. Plates have upward projecting ridges developing into columns. Corallites are widely spaced and immersed. The coenosteum has no elaborations. Verrucae commonly form on lower parts of colonies.
Colour: Uniform dark brown, green or grey.
Similar species: Montipora mollis, which has similar surface characters but does not form columns or verrucae. See also M. incrassata, which has irregularly exsert corallites.
Habitat: Mostly high latitude reefs and rocky foreshores.
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