Pleosporales » Neohendersoniaceae » Brevicollum

Brevicollum hyalosporum

Brevicollum hyalosporum Kaz. Tanaka & Toy. Sato, in Tanaka, Hashimoto, Matsumura & Sato, Mycologia 109(4): 611 (2017).

            Index Fungorum number: IF 821756; Facesoffungi number: FoF 06620, Fig. 1

Description: see Tanaka et al. 2017 and Hongsanan et al. (2020a).

Saprobic on Morinda citrifolia twig. Sexual morph: Ascomata 150–230 × 290–380 µm (x̅ = 195 × 322, n = 10), perithecial, scattered, immersed in bark, erumpent with ostiolar neck, globose to depressed globose, eccentric periphyses neck 150–170 × 95–115 µm, compressed at basal to broad apical region, Peridium 38–90 µm wide, comprising cells of textura angularis. Hamathecium comprising 1.8–2 µm wide, septate, branched, anastomosing, pesudoparaphyses. Asci 110–165 × 22–35 (x̅ = 141.3 × 28.3, n = 25) bitunicate, clavate, apically broadly rounded, basally narrow, short pedicellate. Ascospores 32–50 × 10.3–13.5 (x̅ = 38.2 × 11.4, n = 28), 2- seriate except at the base, fusoid, hyaline to pale grey colored, 1-septate, constricted at the septum, mature spores becoming 3–5 septate with central constricted septa, guttulate, thick sheath, 2 µm wide, surrounded ascospores. Asexual morph: undetermined.

Material examined: India, Andaman and Nicobar Islands, Port Blair, NIOT Coco plantation, on Morinda citrifolia (Rubiaceae) (11˚38’38.7” N 92˚42’18.3” E) 9 December, 2017, identified by Niranjan.M. (NFCC culture number: 4376).