Two views of Phylloporus rhodoxanthus (Schwein.) Bres., the golden gilled bolete.
Agaricus rhodoxanthus Schwein.
Syn. Fung. Carol. Sup.: 83 (1822)
Xerocomus rhodoxanthus (Schwein.) Bresinsky & Manfr. Binder
Bresinsky & Besl, Regensb. Mykol. Schr. 11: 233 (2003)
Golden gilled bolete
Cap: 3-8 cm diameter, initially convex, later planar; surface dry, velvety, bright orange to red-brown, often cracked to reveal yellow flesh underneath; margin initially incurved, then uplifted in age.
Gills: yellow, subdistant, thick, adnate to decurrent, sometimes seceding; intervenose; bruising blue or brown.
Stem: 4-8 x 0.5-1.5 cm, tapering towards base, surface yellow, flushed with red in an irregular pattern, yellow mycelia sometimes visible at base.
Spores: smooth, cylindrical, nonamyloid, 11-15 x 4-6 µm
Spore print: orange- to yellow-brown.
Odor and taste: not distinctive.
Habitat: solitary to scattered in small groups, on ground in hardwood and coniferous forests; summer and fall.
Polysaccharides extracted from the mycelial culture of P. rhodoxanthus and administered intraperitoneally into white mice at a dosage of 300 mg/kg inhibited the growth of Sarcoma 180 and Ehrlich solid cancers by 90% and 80%, respectively (Ohtsuka et al., 1973).
Once again Phylloporus rhodoxanthus.
Coolia. 1979 22(1):29-30.
Ohtsuka S, Ueno S, Yoshikumi C, Hirose F, Ohmura Y, Wada T, Fujii T, Takahashi E.
Polysaccharides having an anticarcinogenic effect and a method of producing them from species of Basidiomycetes.
UK Patent 1331513, 26 September 1973.