Holotype:
THAILAND, Nakhon Phanom Province, Pla Pak district, Ban Nong Hi Dry Dipterocarp Forest,19 Jun. 2019, U. Pinruan, S. Sommai, P. Khamsuntorn, S. Chaimongkol, W. Yingkulchao, holotype BBH 47958.
Habitat:
On soil under Dipterocarpus trees
Description:
Pileus 27–50 mm diam, convex when young, expanded to broadly infundibuliform, undulate, depressed at centre when old, dull white not staining when bruised, KOH negative on cap surface; margin arched to decurved when young, even, with edge faintly decurved when old. Lamellae decurrent, narrow, 2–3 mm broad, crowded, edge entire, whitish, not staining when handled. Stipe 30–40 × 10–15 mm, regular and cylindrical, slightly tapering downwards, stuffed; surface smooth, dry, white, not staining when handled. Context firm and thick, white, turning yellowish orange with 3% KOH. Latex not abundant, whitish, milky, becoming greenish when exposed, turning dirty brownish after exposing for hours. Odour indistinct, somewhat like chlorine. Taste acrid. 
Basidiospores broadly ellipsoid to subglobose, 6.25–7.5 × 3.75–5 µm; ornamentation amyloid, of irregular warts, ornamentation so low and inconspicuous that it is sometimes difficult to see, even with oil immersion, never forming a reticulum; plage predominantly inamyloid, occasionally with a slightly amyloid spot. 
Basidia 25–37.5 × 7.5–12.5 µm, cylindrical to subclavate, (2–)4-spored. Cheilocystidia 37.5–47.5 × 7.5–11.3 µm, subclavate to clavate, hyaline, thin-walled. 
Pleurocystidia 35–45 × 10–17.5 µm, subclavate to clavate, hyaline, thin-walled. Lamellar edge fertile. Lamellar trama 30–45 µm wide, composed of numerous hyphae; sphaerocytes, lactiferous hyphae contain needle-like to granular or crystal up to 10 µm wide. Pileipellis composed of lactiferous hyphae and sphaerocytes, hyaline hyphae, septate, thin-walled, 2–8.75 µm wide. Stipitipellis composed of sphaerocytes and lactiferous hyphae, 2.5–10 µm wide, hyaline. Clamp connections absent.
Reference:
Tan YP, Bishop-Hurley SL, Shivas RG, et al. (2022). Fungal Planet description sheets: 1436–1477. Persoonia49: 261– 350.
DOI: https://doi.org/10.3767/persoonia.2022.49.08Species |
Strain |
Compound |
Pubchem CID |
Biological activity |
Reference |
|---|
|
Strain |
ITS | LSU | RPB2 |
|---|---|---|---|
| BBH 47958 | OP420542 | OP420759 | OP432870 |