Daldinia petriniae Y.-M. Ju, J. D. Rogers, & San Martín

TELEOMORPH | CULTURES AND ANAMORPH | SPECIMENS EXAMINED | NOTES

TELEOMORPH

Daldinia petriniae Y.-M. Ju, J. D. Rogers, & San Martín, Mycotaxon 61: 275. 1997.

Stromata spherical, hemispherical, or placentiform, sessile or nearly so, solitary to aggregated, with inconspicuous to conspicuous perithecial mounds, 1-5.8 cm diam x 0.9-3.4 cm high; surface fuscous (103), blackened and varnished in age; dull reddish brown granules immediately beneath surface, with KOH-extractable pigments livid purple (81) or dark livid (80); the tissue between perithecia brown, pithy to woody; the tissue below the perithecial layer composed of alternating zones, the darker zones dark brown, pithy to woody, 0.3-0.6 mm thick, the lighter zones brown, pithy to woody, persistent, 0.5-1.5 mm thick.

Perithecia tubular, 0.3-0.4 mm diam x 1-1.5 mm high.

Ostioles papillate.

Asci 200-230 mm total length x 8-9 mm broad, the spore-bearing part 90-100 mm long, the stipe 110-140 mm long, with apical ring bluing in Melzer's iodine reagent, discoid, 1 mm high x 4 mm broad.

Ascospores brown to dark brown, unicellular, ellipsoid-inequilateral, with narrowly rounded ends, 12.5-16.5 x (6-) 6.5-7.5 mm, with straight germ slit spore-length on convex side; perispore dehiscent in 10% KOH, smooth; epispore smooth.