Anamorph: not known. Teleomorph: ascomata apothecia, (75-) 90-125 (-150) µm diam., initially immersed, later erumpent, blackish, the margin distinctly striate and often appearing whitish, especially when young. Margin in opened ascomata 30-50 µm thick, the pore ca 20% of the ascomatal diameter when mature. Exciple laterally greenish brown (outer layer brownish, without the green pigment), K+ olivaceous, 10-25 µm thick, greenish brown at the base. Excipular hairs 8-13 (-20) x 1.5-2.5 µm, hyaline to greenish brown, straight, the wall not thickened apically and therefore not refractive. Subhymenium hyaline, 6-10 µm thick. Hymenium 45-55 µm thick. Epihymenium hyaline to pale greenish. Interascal tissue of filiform thin-walled paraphyses, rarely branched, 1.5-2 µm diam. Asci 35-50 x 7-10 µm, clavate, the wall distinctly thickened at the apex but without a ring, not staining in iodine, 8-spored. Ascospores biseriately arranged, 7-9 (-13) x (2-) 3-3.5 (-4.5) um, ellipsoidal, hyaline, aseptate, thin-walled, without an epispore or gelatinous sheath.