Description contributed by Graham Kinsey, CABI, based on Weymeyer (1933).
Anamorph: Phomopsis depressa (Lév.) Traverso (1906). Conidiogenous cells 20-28 x 1.5 µm. Alpha-conidia 10 x 2.5-3 µm.
Teleomorph: stromata on host surface as numerous minute blackened pustulate ruptures, surface of bark blackened around the erumpent ostioles or over the entire surface, ventral zone present or absent. Ascomata scattered or tending to be in small groups, ostioles short and usually erumpent in small clusters. Ascospores 11-14 x 2.5-4 µm.
Wehmeyer considered this to belong within the D. eres aggregate.