Colonies are horizontal plates, sometimes tiered. Plates are composed of fused branches and are almost solid. Branchlets occur irregularly and are widely spaced. Axial corallites are well defined except on the margins of fused plates. Radial corallites are tubular and appressed or elongate, forming incipient axial corallites.
Brown, with pale extremities.
Upper reef slopes, lagoons and fringing reefs.