Otidea alutacea
Otidea alutacea (Pers.) Massee, Brit. Fung.-Fl. (London) 4: 446 (1895)
Facesoffungi number: FoF 04233
Saprobic on soil. Sexual morph: Apothecia 1–5 cm diam. and 2–7 cm high, gregarious, sub-stipitate. Receptacle ear-shaped or cupulate with a split, external surface rough, granulated brown when dry. Disc concave, brown when dry. Ectal excipulum composed of brownish, cells of textura globulosa to angularis with scarcely dispersed resinous exudates. Medullary excipulum composed of hyaline, cells of textura intricata. Paraphyses 3–7 µm wide, numerous, septate, filiform. Asci 110–140 x 7–10 µm, 8-spored, unitunicate, cylindrical, rounded at the apex, non-amyloid. Ascospores 10–15 x 6–7 µm, uniseriate, aseptate, hyaline, ellipsoid, biguttulate. Asexual morph: Undetermined.
Specimen examined: China, Yunnan Province, Yeya Lake, 15 September 2012, Shao-Xing Chen (HKAS 82112)
GenBank submissions: ITS: KY498600, LSU: KY498605
Notes: Otidea alutacea is characterized by its cupulate apothecia with a split and excipulum with sparsely dispersed resinous exudates (Olariaga et al. 2015).
Morphology of Otidea alutacea (HKAS 82112). a Habit of apothecium, b excipular cells, c cylindrical asci, d septate paraphyses, e–h ellipsoid ascospores. Scale bars e–h 10 µm, c 25 µm, b, d 50 µm
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