Ascocarp Morphology. Ascocarp subglobose or lobed, orifice or cavity present, 1-5(-10) cm in diameter, black or gray or brown, with warts, warts angulated, color of spore-bearing tissue grey or brown, veins narrow and numerous. Peridium external cystidia absent.
Asci ans spores Morphology. Asci globose, major axis 27-53 micron, minor axis 23-37 micron, number of spores per ascus 1-3(-4), irregularly clustered.
Spores ellipsoid, major axis 31-33-36 micrometer lenght, minor axis 24-26-29 micrometer lenght, color pale brown or medium brown, reticulation (incomplete).
Distribution. Habitat temperate; Putative plant host Quercus, or Ostrya.
Mycorrhizae morphology. Mycorrhizae emanting hyphae absent, or rare; anatomy of emanating hyphae: clamps absent; color of emanating hyphae hyaline; color of very tip whitish, or ochre, yellowish brown; color of older parts ochre, yellowish brown, or brown; cystidia absent, or present; wolly; color ochre; intercalate swelling absent; ramification absent, or present; rare; dichotomous; proximal; anatomy of the mantle pseudoparenchymatus with angular cells.