Phylum:Basidiomycota >> Class: Basidiomycetes >>  Order: Polyporales 
 BCRC Number NO BCRC Number!  
 Scientific Name: Ganoderma boninense

Ganoderma boninense Pat., Bull. Soc. Mycol. Fr. 5: 72. 1889.

 Description: Basidiocarp annual, sessile or with short and thick stipe, corky to woody. Pileus suborbicular, up to 14 × 9 × 1.2 cm, upper surface dark purple, with densely situated distinct concentrical zones, radially rugose, laccate, margin obtuse. Context brown. Tubes brown, about 0.8 cm long. Pore surface brown, pores suborbicular, about 5 pr mm. Stipe, if present, only with a short dorsal base in the center of pileus, up to 4 cm long, 2 cm thick. Pilear crust an irregular hymenioderm yellowish brown, hyphal elements clavate or at apex lobate or fusiform, usually 20-40 µm long, 3-7 µm wide. Hyphal system trimitic, generative hyphae hyaline, thin-walled, 3-4 µm in diam, skeletal hyphae nearly colorless to light brown, thick-walled to solid, arboriform or aciculiform, skeletal stalks 2.5-5 µm diam, binding hy-phae colorless thick-walled, 1-2 µm in diam. Basidiospores 8.5-12 × 5.5-8 µm, narrowly ovoid or slightly truncate at apex, bitunicate, exospore hyaline, smooth, endospore indis-tinctly echinulate, yellowish brown.

Taiwan, Yilan : Fusan, alt. 650 m, on dead stem of Fagaceae, Aug 1991, TFRI 54. Kinmen : Kinmen, alt. < 100 m, on trunk of Casuarina sp., Oct 1991, TFRI 129.

 Habitat: Lignicolous causing white rot of wood.

Subtropical America and Asia.


Chang, TT. 1992b.


T. T. Chang

 Note: The species is characterized its dark purple basidiocarps and the distinctly oblong basidiospores.