Kirschsteiniotheliales » Kirschsteiniotheliaceae » Kirschsteiniothelia

Kirschsteiniothelia cangshanensis

Kirschsteiniothelia cangshanensis Z.L. Luo, D.F. Bao, K.D. Hyde & H.Y. Su

Index Fungorum number: IF554784; Facesoffungi number: FoF04691

Holotype: MFLU 17–1426

Etymology: Referring the fungus collected from Cangshan Mountain.

 

Saprobic on submerged decaying wood. Sexual morph: Undetermined. Asexual morph: Colonies effuse, scattered, hairy, pale brown to brown. Mycelium mostly immersed, composed of pale brown to brown, septate, branched hyphae. Conidiophores macronematous, mononematous, erect, pale brown, septate, unbranched, cylindrical, percurrent, straight or flexuous, 105.5–135.5 μm (x̄ = 120.5 μm, SD = 15, n = 20) long, 6–8 μm (x̄ = 7 μm, SD = 1, n = 20) wide. Conidiogenous cells monoblastic, integrated, terminal, determinate, pale brown, cylindrical, percurrently proleferating. Conidia solitary, dry, obclavate, septate, straight or slightly curved, pale brown to brown, with a gelatinous sheath at apex, 33–43 μm (x̄ = 38 μm, SD = 5, n = 20) long, 7.5–8.5 μm (x̄ = 8 μm, SD = 0.5, n = 20) wide. (Descriptions based on Bao et al. 2018)

 

Material examined: CHINA, Yunnan Province, saprobic on decaying wood submerged in

Jinsha River, April 2015, Z.L. Luo, S–561, (MFLU 17–1426, holotype), ex-type culture, MFLUCC 16–1350.

 

Notes: Kirschsteiniothelia cangshanensis shares similar characters with K. fluminicola in having macronematous, unbranched, cylindrical, septate, conidiophores and solitary, obclavate, septate, conidia. However, K. cangshanensis differs from K. fluminicola in having a gelatinous rounded sheath at the apex of shorter and thinner conidia (33–43 × 7.5–8.5 μm vs 47.5–86.5 × 8–10 μm). (Notes taken from Bao et al. 2018)

 

References

Bao DF, Luo ZL, Liu JK, et al (2018) Lignicolous freshwater fungi in China III: Three new species and a new record of Kirschsteiniothelia from northwestern Yunnan Province. Mycosphere 9:755–768. https://doi.org/10.5943/mycosphere/9/4/4

 

Fig 1. Kirschsteiniothelia cangshanensis (MFLU 17–1426, holotype). a. Colonies on wood. b, c. Conidiophore with conidia. d. Conidiophore. e–f. Conidiogenous cells and conidia. g–j. Conidia. k. Germinating conidium. l, m. Culture on MEA from surface and reverse. Scale bars: b, c = 40 μm, d, e = 30 μm, f = 15 μm, g–k = 10 μm.

 

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