Thallus fruticose, erect or pendent, 5-8(-10) cm tall, pale yellow or greenish-yellow, not richly branched, main stems conspicuous, secondary branches few or lacking, corticolous. Branches terete, 1-1.5(-2) mm diam., conspicuously inflated, cortex thin, densely papillate, with copious lateral fibrils at right angles to main branches, surface ± faveolate in parts, articulate-cracked at joints, rarely with annular cracking between joints, without isidia or soredia. Apothecia common, terminal or subterminal to 1 cm diam., disc concave at first then plane to subconvex-undulate, distinctly marginate, pale yellowish-green with a fine, white or yellowish or greenish pruina, margins with radiating, long, straight or flexuous ray-like branchlets, exciple shallowly faveolate. Ascospores 9 × 6 µm. Chemistry: Salazinic and usnic acids.