Summary:
Pycnoporus cinnabarinus is a red orange bracket-like or shelf-like fruiting body on hardwood, with a vermilion pore surface.

Chemical Reactions:
flesh becomes yellowish then colorless in KOH, (Gilbertson), flesh black with KOH (Phillips)

Odor:
negligible (Lincoff(1))

Taste:
negligible (Lincoff(1))

Microscopic:
spores 6-8 x 2.5-3 microns, cylindric, slightly curved, smooth, inamyloid, colorless; basidia 4-spored, 18-25 x 5-7.5 microns, clavate, with basal clamp; cystidia absent, hyphal pegs frequent; hypha trimitic, generative hyphae of context 3-5 microns wide, "thin-walled, with clamps, rarely branched", skeletal hyphae of context 2.5-10 microns wide, "thick-walled, rarely branched, nonseptate", binding hyphae of context 1.5-5 microns wide, "much branched, thick-walled, nonseptate"; hyphae of trama similar, "hyphal contents in some areas of tramal tissue with strongly dextrinoid contents", (Gilbertson), spores 5-6 x 2-2.5 microns (Phillips, Lincoff(1), Lincoff(2)), spores 4-5.5 x 2-2.5 microns, elliptic, smooth, inamyloid, colorless, (Breitenbach)

Spore Deposit:
white (Phillips)

Notes:
It is found in BC, WA, OR, ID, AB, MB, NB, NF, NS, NT, ON, PE, PQ, AK, AL, AR, AZ, CA, CO, CT, DE, GA, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, NH, NJ, NM, NY, OH, PA, SC, TN, UT, VA, VT, WI, WV, WY, and circumglobal, (Gilbertson)

EDIBILITY

no (Phillips)

Synonyms and Alternate Names:
Clavaria triuncialis var. juncea Alb. & Schwein.
Clavariadelphus junceus (Fr.) Corner
Polyporus cinnabarinus Jacq.: Fr.