Ophioceras parasiticum

Figure. Ophioceras parasiticum (NYBG1050480). A–B. Ascomata. C–F. Asci and ascospores. Scale bars: A–B = 500 µm; C–F = 10 µm.

Ophioceras parasiticum Teng, Sinensia, Shanghai 4(12): 370 (1934).
MycoBank: MB247351.

Ascomata perithecial, superficial, gregarious, globose to subglobose, black, 350–650 µm diam, with a cylindrical, black neck, 300–450 × 90–135 µm. Paraphyses unbranched, septate, hyaline. Asci 8-spored, unitunicate, clavate, 70–100 × 8–10 µm, with a refractive ring. Ascospores 3–4-seriate in ascus, fusiform, not or slightly curved, 3–6-septate, not constricted at septum, hyaline to yellowish, smooth, 42–55 × 2–3.5 µm. Asexual state unknown.

Typification: Paratype BPI626956.

Gene sequences: Unknown.

Specimens examined: China, Yunnan, Yen-Tsin, on Hypoxylon, 5 Mar. 1934, Y. Tsiang, 853 (BPI626956).

Hosts/substrates: On Hypoxylon (Xylariaceae).

Distribution: China (Yunnan).

Copyright 2022 by The American Phytopathological Society. Reproduced, by permission, from Luo, J., and Zhang, N. 2022. The Rice Blast Fungus and Allied Species: A Monograph of the Fungal Order Magnaporthales (https://my.apsnet.org/APSStore/Product-Detail.aspx?WebsiteKey=2661527A-8D44-496C-A730-8CFEB6239BE7&iProductCode=46826). American Phytopathological Society, St. Paul, MN.