Gyromitra esculenta
Gyromitra esculenta (Pers.) Fr., Summa veg. Scand., Sectio Post. (Stockholm): 346 (1849)
Facesoffungi number: FoF 04210
Saprobic on soil. Sexual morph: Apothecia 3–10 cm diam., gregarious, stipitate, superficial on the substrate. Receptacle irregularly lobed, deeply wrinkled to convoluted. Disc blackish brown. Margins curved, concolorous to disc. Stipe yellowish. Ectal excipulum composed of cells of textura angularis. Medullary excipulum composed of hyaline, septate cells of textura intricata. Paraphyses 5–8 µm wide at the apex, filiform, numerous, septate, slightly enlarged at the apices. Asci 200–320 x 10–15 µm, 8-spored, unitunicate, operculate, cylindrical, rounded at the apex, non-amyloid. Ascospores 15–20 x 6–10 µm, 1–2-seriate, hyaline, ellipsoid, thick and smooth-walled, multi-guttulate. Asexual morph: Undetermined.
Specimens examined: China, Xin-jiang Province, Tianshan Forest, 6 July 1905, Mymyty-Ming-Suleiman P6 (HKAS 87684). GenBank submissions: ITS: MG871313, LSU: MG871350
Notes: Gyromitra esculenta is characterized by its pitted apothecia with irregularly lobed cap and yellowish long stipe and thick-walled multi-guttulate ascospores (Beug et al. 2014).
Morphology of Gyromitra esculenta (HKAS 87684). a Habit of apothecia, b Excipular cell type, c Asci and paraphyses, d, e cylindrical asci, f ascal apex, g–i ellipsoid ascospores. Scale bars g–i 15 µm, f 25 µm, b, d, e 30 µm, c 60 µm
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