| Macroscopic characters | shape | Reniform to sub-circular; zonate at times, covered with a thin crust; varnish-like appearance ; stipitate |
| size | Up to 12 cm long x 20 cm broad x 1-3 cm thick |
| texture | Tough to leathery |
| pileus | Bright ochraceous when young becoming darker red in age |
| stipe | Excentric to lateral; upper part ochraceous; lower portion red; varnish-like appearance; up to 10 cm long x 2 cm thick; context brown |
| context | White to brown near pores; soft; up to 3 cm thick |
| pore surface | White to brownish yellow |
| pores | Entire; 4-5 per mm |
| tube layer(s) | Purple-brown; distinct from context; up to 1 cm thick |
| Microscopic characters | hyphal system | Dimitic; skeletal hyphae hyaline to pale golden brown; thick- walled; some branching appearing like binding hyphae |
| clamp connections | Generative hyphae with clamps |
| sterile elements | Pilocystidia brown; thick-walled; clavate |
| basidiospores | Ovoid with a truncate apex; appearing echinulate; 9-11 x 5-7 µm; hyaline to pale yellow-brown |
| Habitat characters | substrate/host | Typically at base of dead trees or stumps of hardwoods, especially oaks and maples; occasionally at base of declining trees |
| seasonality | Annual |
| type of decay | White rot of roots and butts |
| range | Eastern United States |
| Notes | Considered by some to be a form of G. lucidum. This concept is that of Overholts (1953) and Lowe & Gilbertson (1961) |
| References | |
