Doughnut sea rod.
Small irregular candelabrum with sparse and disorganized branching but in a dichotomous trend; colonies usually less than 30 cm, but up to 50 cm tall.
Very thin, almost imperceptible; cylindrical in cross-section.
Slim branches 2.5-3.5 mm in diameter; tip sometimes slightly bulbous.
Low calyx developed as enlargement of weak lower lip.
Black-gray to ochre; polyps brown.
Axial layer: spindles to 0.2 mm long, colorless or slightly violet, sometimes with large ornamentation. Middle layer with spindles to 2 mm long. Surface layer: clubs with smooth folds, sometimes fused, to 0.18 mm long. Polyp armature: slightly curved rods 0.05-0.22 mm long.
Protected reef areas with intermediate wave exposure and depth, to ~15 m.
Widespread: Bahamas, Bermuda, South Florida, Gulf of Mexico, and throughout the Caribbean Sea.