Characters: Colonies are encrusting to massive, with an irregular surface. Corallites are superficial and angular. The coenosteum between corallites is granulated giving a rough appearance which can be seen underwater.

Colour: Pale brown or cream, sometimes green in high latitudes.

Similar Species: A distinctive species. Corallites are sometimes similar to those of P. lutea.

Habitat: Semi-protected shallow reef or terrigenous rock substrates.

Abundance: Uncommon.