Jaapia ochroleuca

A species typical of heavily decayed coniferous wood, completely resupinate, yellow-cream to ochre, without a well-defined growing margin.

Monomitic hyphal system, with thin-walled generative hyphae only, 4-7 µm wide, septate and clamped.

Cystidia cylindrical, sinuous, thick-walled, deeply immersed in the hymenium, 80-200 µm long and 8-12 µm wide, projecting noticeably above the level of the basidia.

Basidia cylindric-clavate, 30-45 µm long and 6-10 µm wide, with basal clamps, 4-spored.

Spores fusiform, smooth, thick-walled, with a prominent lateral apiculus at one end, yellowish-brown under the microscope, with granular or guttulate internal content.