Xerocomus sisongkhramensis

Fungi > Basidiomycota > Agaricomycetes > Boletales > Boletaceae > Xerocomus
Xerocomus sisongkhramensis
Xerocomus sisongkhramensis
Xerocomus sisongkhramensis
Xerocomus sisongkhramensis
Xerocomus sisongkhramensis
Xerocomus sisongkhramensis
Xerocomus sisongkhramensis
Xerocomus sisongkhramensis
Xerocomus sisongkhramensis


Holotype:

THAILAND, Nakhon Phanom Province, Si Songkhram district, Ban Nong Hi Dry Dipterocarp Forest,10 Jul. 2019, U. Pinruan, S. Sommai, P. Khamsuntorn, holotype BBH 48255.


Habitat:

On soil under Dipterocarpus trees


Description:

Basidioma medium-sized. Pileus 15–20 mm diam when young, 40–70 mm diam when mature, initially convex, then planoconvex, surface dry, matte to subvelvet-like, margin entire to eroded, incurved becoming decurved when old, yellowish brown to strong yellowish brown, unchanging when bruised, turning brown with 3% KOH, turning pink with 3% NH4OH, and turning pale yellow with 10% FeSO4. Pore rounded to angular or irregular, 0.4–0.7 mm wide, greenish yellow to light yellow, turning brown with 3% KOH. Tubes decurrent to subdecurrent, 3–5 mm long, light yellow, Stipe 50–100 × 8–10 mm, central, mostly cylindrical, equal to slightly enlarged downwards, light olive brown, light yellowish brown to dark greyish yellow, surface scabrous with surface purplish red furfuraceous scurfs, solid, brittle, unchanging when bruised, turning brown with 3% KOH. Context 1–2 mm thick, white, soft, firm, turning pale brown with 3% KOH, with rhizomorph at base. Odour indistinct. Taste unrecorded. Basidiospores 7–10.5 × 5–7.5 µm ellipsoid, thin-walled, smooth, hyaline to greyish green in 5% KOH. Basidia 4-spored, 29–38 × 8.5–12.5 µm; clavate, hyaline to pale green in 5% KOH, sterigmata 2.3–3.75 µm long. Pleurocystidia 42.5–62.5 × 7.5–12.5 µm, subfusoid to fusoidventricose, hyaline to yellowish green, hyaline at the apex in 5% KOH. Cheilocystidia absent. Subhymenial layer 7.5–10 µm thick. Hymenophoral trama 150–200 µm thick, composed of erect hyphae, terminal cells, septate, 5–15 µm wide. Pileipellis 2.5–15 µm wide, thick-walled, branch, greyish yellowish green to brown in 5% KOH. Stipitipellis (4–)7.5–12(–20) µm wide, thick-walled, branch and septate, Caulocystidia 40–60 × 8–15 µm, hyaline, broadly clavate to subclavate. Clamp connection absent in all tissues.




Reference:

Found 0 compound(s) associated with this species

Species

Strain

Compound

Pubchem CID

Biological activity

Reference

Strain

ITS

LSU

BBH 48255 OP462477 OP425809
BBH 49409 OP462476 OP425810