Pleosporales » Lophiostomataceae

Capulatispora

Capulatispora Thambug. & K.D. Hyde, in Thambugala et al., Fungal Diversity: 10.1007/s13225-015-0348-3, [18] (2015).

Index Fungorum number: IF 551234; Facesoffungi number: FoF 00800, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.

Saprobic on dead twigs. Sexual morph: Ascomata solitary, scattered, immersed, coriaceous, brown, conical, with a flattened base, surrounded by a small blackened pseudoclypeus, ostiolate. Ostiole slit-like, central, with a slightly raised crest, with a pore-like opening. Peridium composed of a single stratum, with 4–8 layers of light pigmented to brown, flattened cells of textura angularis, cells towards the inside lighter and somewhat broad, at the outside, darker, fusing and indistinguishable from the host tissues. Hamathecium comprising 1–1.5 μm wide, branched, cellular pseudoparaphyses, situated between and above the asci, embedded in a gelatinous matrix. Asci 8-spored, bitunicate, fissitunicate, cylindric-clavate, short-pedicellate, apically narrowly rounded apex with an ocular chamber. Ascospores uni to biseriate, hyaline, becoming brownish when over mature, fusiform, with narrow, acute ends, uniseptate, upper part slightly wider, surrounded by a narrow, drawn-out sheath. Sheath tips of the sheath capped, staining with blue-black ink. Asexual morph: Unknown (adapted from Thambugala et al. 2015).

Type species: Capulatispora sagittiformis (Kaz. Tanaka & Hosoya) Thambugala & K.D. Hyde

Notes: Capulatispora is characterised by scattered, immersed, coriaceous brown ascomata surrounded by a pseudoclypeus, with ostiole, cylindric-clavate, short-pedicellate asci and fusiform, uniseptate ascospores with narrow, acute ends. Capulatispora sagittiformis was previously known as Lophiostoma sagittiforme (Tanaka & Hosoya 2008). Capulatispora differs from other genera in Lophiostomataceae in having a flattened base, enclosed by a blackened pseudoclypeus and ascospores surrounded by a narrow, drawn-out sheath often staining in blue-black ink. Capulatispora is a distinct and well-defined genus in Lophiostomataceae. Molecular markers available for Capulatispora include LSU, SSU, ITS and TEF-1.

 

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