Thallus: pendent or erect, branches flattened, strap like, smooth, foveate or wrinkled, 5 - 15 cm long, greyish; cortex palisade plectenchyma; epicortex absent; soralia present but rarely seen together with apothecia; medulla byssoid, white; in holdfast usually brown. Apothecia sessile, rarely seen together with soralia; ascospores 24 - 28 - 33 / 4 µm.

Photobiont:

Chemistry: Spot tests, thallus surface K- or faintly pinkish red in branch tips, C+ red; medulla K-, C-; secondary metabolites roccellic acid (in sorediate specimens), erythrin, lecanoric acid and the unidentified substances 1 and 5 (xxx: xx). (+)-Montagnetol (Huneck & Yoshimura 1996: 160). Orcinol (Huneck & Yoshimura 1996: 162).

Ecology: On rock and twigs at the coast.

Asia, Oceania and Africa.