Thallus endophloeodal, often lacking, whitish, silky, effuse. Apothecia conspicuous, scattered, sessile, rounded to irregular-flattened, constricted at base, 1 mm diam., or less, black, matt, shining, carbonaceous, plane to convex, margins very thin, entire or crenulate, concolorous with disc. Epithecium olive-brown, 13 µm thick. Hymenium pale olive, straw-coloured, 60-80 µm tall. Hypothecium obscure, brownish. Paraphyses conglutinate, dense, capitate, olive-brownish at apices, to 5-6 µm thick. Ascospores bacillar, 6.8-10.2 × 1.7-2.5(-3.4) µm.