Termitomyces striatus

Termitomyces striatus (Beeli) R. Heim

Index fungorum number: 291357

Pileus 2-8 cm diam., conic to convex then plane when mature, with small and pointed perforatorium; surface light brown to greyish brown and dark at the center when mature, usually radially fibrillose, shiny, margin at first incurved then straight, often splitting. Lamellae free, white to creamy, 3-5 mm wide, crowded with lamellulae. Stipe 4.5-11 cm long, 0.5-1.5 cm wide, central, cylindrical to subcylindrical, occasionally swelling on its upper part and tapering at the base to form pseudorhiza, surface whitish, longitudinally striate, solid. Annulus absent. Pseudorhiza 7-20 cm long, 0.5-1.5 cm thick, tapering at the base; surface white to pale grey, smooth. Spore deposit pinkish. Basidiospores 5-8.5 x 4-6 μm, ovoid to ellipsoid; smooth and thin-walled, inamyloid. Basidia 15-22 x 4-6 μm, clavate to subcylindric, bearing four sterigmata, inamyloid. Hymenophoral trama regular, 40-100 μm wide, inamyloid. Cheilocystidia crowded, 20-32 x 6-17 μm, clavate to pyriform, smooth and thin-walled, inamyloid. Pleurocystidia crowded, 17-32 x 6-16 μm, similar to cheilocystidia, sometime subcylindrical or digitate. Pileipellis a repent epicutis of narrow, radial hyphae, 2.0-5.0 μm diam.

Specimens examined: Nakhon Ratchasrima: Wang Nam Khiao, ThaplanNational park, in Hopea odorata plantation (TERM005, TERM006), Nakhon Ratchasrima: Wang Nam Khiao, Wang Nam Khiao Forestry Student Training Station, in dry evergreen forest (TERM009, TERM010, TERM048, TERM051, TERM052, TERM054), Nakhon Ratchasrima: Wang Nam Khiao, Wang Nam Khiao Forestry Student Training Station, in Bamboo plantation (TERM049, TERM050, TERM053), Nakhon Ratchasrima: Wang Nam Khiao, Wang Nam Khiao Forestry Student Training Station, in mix forest tree species plantation (TERM013, TERM018, TERM019, TERM020, TERM021, TERM022, TERM042), Nakhon Ratchasrima: Wang Nam Khiao, Wang Nam Khiao Forestry Student Training Station, in Eucalyptus plantation (TERM012, TERM015, TERM016, TERM017), Nakhon Ratchasrima: Wang Nam Khiao, Sakaerat environmental research station, in dry evergreen forest (TERM034, TERM035, TERM036).