Thallus erect to pendulous, to 12 cm rarely to 20 cm long, corticolous. Branches rigid, yellowish-green to greyish, angular-terete to slightly flattened, longitudinally striate-nervose, exposing white medulla, or cracked,shortly branched, narrow, 1.5 mm wide at base tapering to 0.5 mm wide at apices, lateral branches narrower, numerous, irregularly divided, subterete, apices finely flexed or bent, without pseudocyphellae or soredia, longitudinally ridged or grooved near base. Apothecia rare, lateral, sessile, plane, 0.9 mm diam., disc pale yellowish-pink, epruinose, margins thin, entire, concolorous with thallus, thalline exciple smooth. Ascospores oblong, 12-15 × 4-6 µm. Chemistry: No medullary substances.