Cryptoporus volvatus (Peck) Shear

Syn:Polyporus volvatus Peck Fomes volvatus (Peck) CookeProfile Group: Basidiomycota, Polyporales
Macroscopic charactersshapeUngulate
sizeUp to 4 x 5 x 4 cm
textureGlaborus; coated with a clear lacquer-like layer; smooth or rugose
pileusCream-colored; yellowish to tan; azonate; volva-like structure which completely encloses the pore surface except for a small hole at the base
stipeN/A
contextIvory-white; azonate; soft-corky
pore surfacePale to dark chocolate brown
poresCircular; 4-5 per mm
tube layer(s)Pinkish buff; tubes up to 6 mm long
Microscopic charactershyphal systemTrimitic
clamp connectionsGenerative hyphae with clamps at all septa
sterile elementsCystidioles fusoid; with a basal clamp; thin-walled
basidiosporesCylindric; hyaline; smooth; 12-15.6 x 4.5 um; pink en masse
Habitat characterssubstrate/hostRecently killed conifers; commonly fruiting a year after trees are killed
seasonalityAnnual
type of decaySoft grayish-white rot of sapwood
rangeWidely distributed in coniferous forest regions of North America; recently extended into southern pines in North Carolina
NotesN/A
ReferencesOverholts, 1953; Gilbertson & Ryvarden, 1986. Grand & Vernia, 2002 A, B.
Species distribution in North Carolina
Front view of basidiocarps
Pore surface
Inner pore surface showing tubes
Cystidioles at 200x
Spores at 400x
Skeletal hyphae at 200x
Binding hyphae at 200x