Characters: Colonies are spherical, columnar, hillocky or flat and may be several metres across. Corallites are evenly distributed and conical, with thick walls and small openings. Costae are equal and well developed. Those of adjacent corallites do not join. A crown of paliform lobes is usually clearly visible.
Colour: Uniform brown or green.
Habitat: Shallow reef environments where water movement is strong.<
Similar species: Montastrea salebrosa , Plesiastrea versipora
Source reference: Veron (2000). Taxonomic references: Wijsman-Best (1972), Veron, Pichon and Wijsman-Best (1977). Additional identification guides: Randall and Myers (1983), Veron (1986), Sheppard and Sheppard (1991), Nishihira and Veron (1995).