Hypoxylon duriloculatum Van der Gucht, Y.-M. Ju, & J. D. Rogers

TELEOMORPH | CULTURES AND ANAMORPH | SPECIMENS EXAMINED | NOTES

TELEOMORPH

Hypoxylon duriloculatum Van der Gucht, Y.-M. Ju, & J. D. Rogers, Mycologia 89: 503. 1997.

Stromata effused-pulvinate, with inconspicuous perithecial mounds, 1.5-7 cm long x 2-3 cm broad x 2.5-3 mm thick; surface sepia (63) to brown vinaceous (84); dull reddish brown granules immediately beneath surface, with KOH-extractable pigments isabelline (65) to olivaceous (48); black, carbonaceous stromatal layer discretely enclosing each perithecium; tissue below the perithecial layer dark brown to black, conspicuous, 1-1.2 mm thick.

Perithecia tubular, 0.3-0.5 mm diam x 1.5-1.7 mm high.

Ostioles lower than the stromatal surface.

Asci not seen.

Ascospores brown to dark brown, unicellular, ellipsoid-inequilateral, with narrowly rounded ends, 14-19(-22) x 6.5-8(-9) mm, with straight germ slit spore-length or slightly less than spore-length; perispore dehiscent in 10% KOH, smooth; epispore smooth.