Description contributed by Graham Kinsey, CABI, based on Weymeyer (1933).
Anamorph: Phomopsis putator (Sacc.) Höhn. (1906). Conidiogenous cells 8 x 1.5 µm. Alpha-conidia 9-10 x 2.5 µm.
Teleomorph: stromata variable, on host surface as numerous pustulate ruptures through which the ostioles are erumpent singly or in small clusters, surface of bark heavily or irregularly blackened, ventral zone definite in wood, entostromatic areas sometimes limited in extent. Ascomata scattered singly or irregularly crowded, often collectively erumpent, ostioles sometimes slightly elongated. Ascospores 11-15(-16) x 2.5-4 µm.
Wehmeyer considered this to belong within the D. eres aggregate.