 Description： |
Basidiocarp annual, stipitate, corky to woody. Pileus reniform, dimidiate or suborbicular, up to 12 × 20 × 2 cm; upper surface yellowish brown or reddish brown, concentrically sulcate and zonate, rugose, laccate; Context wood-colored to brown, 1-1.5 cm thick; tubes whitish, brownish to brown, up to 1 cm long. Pore surface white, brownish to brown, sometimes sordid yellowish or yellowish brown; pores suborbicular, 4-5 per mm. Stipe subcylindric, lateral or eccentric, rarely central, up to 19 cm long and 4 cm thick, concolorous with pileus or purplish brown, lac-cate. Pilear crust a hymenioderm, brownish; hyphal elements clavate, 20-30 µm long, at inflated part usually 6-7.5 µm diam. Hyphal system trimitic; generative hyphae hyaline, thin-walled, branched, 3.5-4.5 µm diam; skeletal hyphae yellowish brown, thick-walled to solid, arboriform; binding hyphae colorless, thick-walled, sinuous, branched, 1.5-2 µm diam, often Bovista-type. Basidiospores 9-11 × 6-7 µm, ovoid or truncate, bitunicate; exospore hyaline, smooth, endospore echinulate, brownish or faintly brownish, sometimes guttulate. |
| Specimens： |
Taiwan, Taichung: Chingshui, alt.＜100 m, on basal stem of Casua-rina sp.Jun 1991, TFRI 11. Taichung: Taichung, alt. 200 m, on basal stem of Acacia confusa, Jun 1991, TFRI 24. |
Phylum：Basidiomycota >> Class： Basidiomycetes >> Order： Polyporales