Pleosporales » Occultibambusaceae » Neooccultibambusa

Neooccultibambusa trachycarpi

Neooccultibambusa trachycarpi

X.D. Yu, S.N. Zhang & Jian K. Liu Diversity 13(11): 516 (2021)

 

Classification: Ascomycota-Pezizomycotina-Dothideomycetes-Pleosporomycetidae-Pleosporales-Occultibambusaceae-Neooccultibambusa

 

Host species: Trachycarpus fortunei

 

Holotype: HKAS 113020

 

Known distribution: China

 

IF Number: IF841011      Mycobank Number: 841011      FOF Number: N/A

 

Description

Saprobic on decaying petioles of Trachycarpus fortunei. Sexual morph: Ascomata are solitary to gregarious, scattered, immersed to erumpent, visible as small, black dots on host surface, in vertical section 150–240 μm high, 140–200 μm diam., uniloculate, depressed globose or irregular, ostiolate. Ostiole are circular, central, periphysate. Peridium are 11–38 μm wide, composed of pale brown to brown textura angularis cells, thicker outwardly. Hamathecium are 2.0–3.2 μm wide, hyphae-like, cellular pseudoparaphyses, embedded in a gelatinous matrix. Asci 48−120 × 10–15 μm (= 75.3 × 12.1 μm, n = 20), 8-spored, bitunicate, cylindric-clavate, with a short furcate to rounded pedicel, apically rounded, with an ocular chamber. Ascospores are 12–19 × 3.0–5.0 μm ( = 15.6 × 3.9 μm, n = 50), overlapping biseriate, hyaline, fusiform, tapering towards the ends, 1-septate, constricted at the center septum, becoming pale brown and present two pseudosepta when senescent, guttulate when young, smooth, surrounded by mucilaginous sheath. Asexual morph: Undetermined.

 

 

Culture conditions: Colonies growing well on PDA and attaining a diameter about 12 mm after 21 days at 25 °C, circular, medium dense, olive green, reverse dark green.