Pycnoporus coccineus (Fr.) Bondartsev & Singer

Syn:Pycnoporus cinnabarinus auct. NZProfile Group: Basidiomycota, Polyporales, Polyporaceae
Macroscopic charactersshapeSessile to effused-reflexed ; dimidiate to elongated
sizeUp to 13 cm broad x 7 cm long x 0.5-2 cm thick
textureLeathery when fresh
pileusGlaborus; azonate; ochraceous salmon to apricot orange becoming paler with age
stipeNone
contextRed to pale orange; soft; fibrous to corky; zonate; up to 1.5 cm thick
pore surfaceEnglish red to coral red
pores3-4 per mm; circular to angular
tube layer(s)Concolorous with context
Microscopic charactershyphal systemTrimitic; skeletal hyphae thick-walled, aseptate, up to 10 um wide; binding hyphae branched, thick-walled, aseptate, up to 5 um wide
clamp connectionsContextual generative hyphae thin-walled with clamps
sterile elementsNone
basidiosporesCylindrical; slightly curved; hyaline; smooth; 6-8 x 2.5-3 µm
Habitat characterssubstrate/hostDead wood of numerous genera of hardwoods; rarely on dead conifers
seasonalityAnnual
type of decayWhite rot
rangeThroughout North America north to Alaska and Northwest Territories; circumglobal in North Temperate Zone
NotesTypically thicker than Pycnoporus sanguineus and colors fading with age compared to P. sanguineus
ReferencesGilbertson & Ryvarden, 1987; Overholts, 1953
Species distribution in North Carolina
Basidocarp – Top View
Pore Surface
Basidocarp – Side View
Pore Surface
Basidiospores – 1000 X
Basidiospores – 1000 X
Generative Hyphae with Clamps – 400 X
Skeletal Hyphae – 400 X