On rotten hardwood (probably Acer), next to Orbilia xanthoflexa.
Black superficial perithecia are covered with thick-walled hairs (setae).
Asci 8-spored.
Mature ascospores with 1-3 septa, grey.
Ascospores measure
(54.9) 55.3 - 60 (60.5) × (4.7) 4.9 - 5.5 µm
Q = (10.3) 10.4 - 12.08 (12.1) ; N = 14
Me = 57.2 × 5.1 µm ; Qe = 11.3