Thallus crustose, smooth, continuous, verrucose with occasional fissures, especially around lirellae, creamish-yellow to greyish-white. Lirellae raised, branched, flexuous, often crowded and tending to lie parallel, or sometimes more radiate and dendroid, 1-4 mm long and 0.2-0.4 mm wide, thalline exciple prominent, raised, distinct, and closely following the sinuous apothecia, proper exciple closing with a slit, base variable, open to closed, often brown. Ascospores 6-8 per ascus, (5-)6-8-locular, locules lenticular, 5-9 × 18-29 µm. Chemistry: Norstictic acid.