“From Veron, J.E.N. Corals of the World.”
Characters: Well developed colonies are hemispherical and commonly over 2 metres across. Corallites are large (averaging 50 mm diameter), becoming flabello-meandroid, with one to three centres. Septa have tall sharp teeth. Polyps are thick and fleshy, with a rough surface. The margins of polyps are extended to form a distinct serrated rim.
Colour: Blue-grey to mustard with white polyp margins.