Macroscopic characters | shape | Large; stipitate- pileate; imbricate fanshaped to spathulate |
size | Up to 30 cm broad and long |
texture | Fleshy when fresh; fibrous with age |
pileus | Glabrous; smooth; ochraceous to brown when old |
stipe | Almost absent; short; stout; ochraceous and smooth |
context | Whitish to cork-coloured; lighter than tubes; distinctly fibrous |
pore surface | White to wood-coloured; darkening when touched in fresh condition |
pores | Small and entire; 3-5 per mm |
tube layer(s) | Up to 8 mm deep; concolorous with pore surface |
Microscopic characters | hyphal system | Monomitic: generative hyphae hyaline, thicked-walled in context and stipe, unbranched to rarely branched, few septa, 6- 14 um wide |
clamp connections | None |
sterile elements | N/A |
basidiospores | Broadly ellipsoid to subglobose; hyaline; smooth; thin-walled |
Habitat characters | substrate/host | On the ground close to hardwood stumps, also reported on Douglas fir |
seasonality | Annual |
type of decay | Causes a white rot in dead and living hardwoods |
range | Eastern and Central United States, from New York to Louisiana; circumglobal in the Northern Hemisphere |
Notes | |
References | Gilbertson & Ryvarden, 1987; Grand & Vernia, 2007; Overholts, 1953 |