Laetiporus cincinnatus (Morgan) Burds.

Syn:Laetiporus sulphureus (Fr.) Murr. Polyporus cincinnatus(Peek) Laetiporus persicinus (Berkely & Curtis) Gilb.Profile Group: Basidiomycota, Polyporales
Macroscopic charactersshapeBroad; fan shaped to obtusely semicircular
size3-45 cm wide
textureFleshy when fresh; becoming chalky to fibrous
pileusBright to pale orange; often with vague concentric bands; velvety to densely matted; dry
stipeForms rosettes at base of oaks; stipe short to non-existent
contextPale yellow; thicker at central stipe attachment
pore surfaceCream to nearly white; 4-6 um diameter
poresCircular; angular in age; 2-4 per mm
tube layer(s)1-5 mm long
Microscopic charactershyphal systemDimitic
clamp connectionsN/A
sterile elementsN/A
basidiosporesBroadly ovoid; hyaline; thin walled; smooth; 4.5-5.5 x 3.5-4 um
Habitat characterssubstrate/hostBase of living oaks; reported on pine species
seasonalityJuly through October
type of decayBrown rot of living and dead trees
rangeEast of the Rocky Mountains
NotesConfused with L. sulphureus in the past
ReferencesBurdsall & Banik, 2001.
Species distribution in North Carolina
Top view of basidiocarp.
Underside of basidiocarp
Hyphae at 200x
Spores at 400x
Binding hyphae at 200x
Binding hyphae at 200x