Hymenochaete cinnamomea

A resupinate fungus of a striking reddish-brown color.

Monomitic hyphal system, with cylindrical, moderately thick-walled hyphae, profusely branched, with abundant brown intracellular pigment, 3-5 µm wide, multiseptate with simple septa (clampless).

Cystidia absent.

Hymenial setae subulate, thick-walled, 55-100 µm long and 5-8 µm wide, with abundant brown intracellular pigment, the apex sharply pointed and slightly more hyaline.

Basidia cylindric-clavate, 15-20 µm long and 3-5 µm wide, without basal clamps, 4-spored.

Spores cylindric-ellipsoidal, smooth, hyaline, thin-walled, according to literature measuring 5-7.5 x 2-3 µm, inamyloid in Melzer's reagent.