Gymnopilus lepidotus

A tropical Gymnopilus characterized primarily by the small size of its spores for the genus.

Pileipellis hyphae filamentous, arranged parallel to each other, with faint ochraceous intracellular pigment and abundant brown surface incrustations, septate and with prominent clamp connections at the septa.

Caulocystidia present only on the upper stipe.

Cheilocystidia abundant, mostly subcylindrical, fusiform to lageniform, thin-walled, with faint brownish intracellular pigment.

Basidia clavate, with granular internal content turning amber in KOH, mostly 4-spored.

Spores ovoid to amygdaliform, small, thick-walled and verrucose, yellow under the microscope, with an eccentric apiculus at one end, granular internal content, dextrinoid in Melzer's reagent where the fine warty ornamentation becomes more evident.

Herbarium material available: JTP2369/25.