Ascomata are typical HYSTERothecia, elongated, scattered, 620-850 mm long, 235-350 mm wide, smooth, black.

Asci 60-88 x 8-14 mm, clavate-cylindrical, short stalked, eight-spored, fissitunicate.

Ascospores 13-19 x 3.5-5.5, mm biseriate, elliptic-cylindric, brown, slightly constricted at the septa, 3- septate.