Description contributed by Graham Kinsey, CABI, based on Wehmeyer (1933).
Anamorph: Phomopsis durandiana (Sacc. & Roum.) Died. (1911). Alpha-conidia 7-9 x 2-3 µm.
Teleomorph: stromata with irregular areas of dorsal blackening showing through host epidermis, ventral zone present or incomplete or faint. Ascomata scattered singly. Ascospores 12-14 x 2.5-3.5 µm.
Wehmeyer considered this to belong within the D. arctii aggregate.