Mycol. Res. 94: 688, 1990.

Ascomata 350-400 mm x 220-300 mm diameter, partly immersed, obpyriform, papillate, ostiolate, subcarbonaceous to subcoriaceous, blackish-brown, gregarious. Papillae conical, emerging over the substrate; ostiolar canal lined with simple, septate, hyaline, periphyses. Pseudoparaphyses septate, simple or branched, persistent.

Asci 140-195 x 12-15 mm, 8-spored, short pedunculate, cylindrical, thick-walled, physoclastic, bitunicate.

Ascospores 22-32 x 7.5-11 mm, straight or obliquely uniseriate, 1-septate, slightly constricted at the septum, ellipsoidal, dark brown, striate by delicate costae that run parallel or in a slight angle to the longitudinal axis of the ascospore, brown.