Plant upright, with fairly spaced, irregular branches spaced 1-4 cm apart. Branches taper above to rounded or sub-acute terminals, are basally constricted, terete to slightly compressed, and are generally soft. Epilithic, fibrous, branching, 1-2 cm broad, with many fronds. Multiaxial structure with five to fifteen apical cells. Multiple rhodoplasts form a ribbon-like structure within a cell. Grey-red to brown-red in hue, frequently bleached to a yellow-grey tint.