Characters: Colonies are large basal laminae, often with contorted branches. Corallites are irregularly distributed on both laminae and branches.
Colour: Brown.
Similar species: Corallites are similar to those of Porites flavus, which is primarily distinguished by lack of basal laminae. Growth-forms are similar to those of P. sillimaniana and P. latistella. Calice characters are closest to P. horizontalata.