Description:
Basidiocarps annual, firmly adnate, occurring gregariously, ranging from resupinate to pileate, often dimidiate to semicircular, typically imbricate and attached to hard substrates. Pilei reaching up to 78 × 45 × 11 mm, applanate to somewhat umbellate, with an upper surface densely hairy, exhibiting faint concentric zonation; margin entire, undulate to lobate; pileal coloration dark grayish at the center, gradually becoming whitish to yellowish toward the margin. Hymenophore initially poroid, becoming irpicoid to hydnoid with age, bearing tooth-like projections up to 2.5 mm long; pores rounded to angular, up to 3 per mm, reaching 5 mm deep. Basidiome overall greenish to yellowish, texture ranging from soft to firm, roughened, drying spongy during monsoon conditions. Hyphal system dimitic. Generative hyphae hyaline, simple-septate, moderately branched, interwoven, thin- to slightly thick-walled, 2–5 µm in diameter, without clamp connections. Skeletal hyphae hyaline, thick-walled, rarely branched, interwoven, frequently encrusted, up to 7 µm wide, dominant in the trama; apical encrusted skeletal hyphae sometimes projecting into the hymenium. Basidia borne terminally on hyphal branches, solitary or in small clusters, clavate, slender, with relatively thick sterigmata, measuring 22–29 × 4–5 µm. Basidiospores hyaline, circular to semicircular or ellipsoid, thin- to thick-walled, measuring 4–5 × 2–3 µm.
Reference:
Hai CW, Esha PB and Hossain MM (2025). Morphomolecular approach to identify flavodon flavus (kl.) Ryv.: a potential macrofungi of Bangladesh. Bangladesh Journal of Botany54: 233–238.
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