Chiangraiomyces Senan. & K.D. Hyde

IndexFungorum number: IF821544; MycoBank MB821544, 1 species with sequence data.

Etymology: Name related to the collection locality of Chiang Rai, Thailand.

Saprobic on dead wood. Sexual morph Ascomata solitary, scattered, immersed to erumpent, globose to subglobose, coriaceous, black, papillate, ostiolate. Papilla long, internally covered by hyaline, periphyses. Peridium comprising outer, thick-walled, brown cells of textura angularis and inner, hyaline, thick-walled, compressed cells of textura angularis. Hamathecium comprising hyaline, aseptate, filamentous paraphyses. Asci unitunicate, 8-spored, fusiform, sessile to short pedicellate, with J-, funnel-shaped, apical ring. Ascospores biseriate to overlapping uniseriate, fusiform to ellipsoid, hyaline, smooth-walled, 1-septate, with two large guttules in the center and two small guttules at the ends. Asexual morph Conidiomata produced on PDA when incubated at 18 °C after 2 wk, pycnidial, globose, erumpent at maturity, black, coriaceous, short neck. Conidiomatal wall comprising pale brown, thick-walled cells of textura angularis. Conidiophores ampulliform, straight, branched, septate, hyaline, smooth. Conidiogenous cells phialidic, terminal, cylindrical, slightly tapering towards the apex. Hamathecium aparaphysate. Alpha conidia aseptate, hyaline, smooth, ovate to ellipsoidal, less in amount. Beta conidia fusiform to hooked, base subtruncate, aseptate, hyaline, smooth.

Type species: Chiangraiomyces bauhiniae Senan. & K.D. Hyde.


  • Chiangraiomyces bauhiniae