Torpedosporales » Juncigenaceae

Fulvocentrum

Fulvocentrum E.B.G. Jones & Abdel-Wahab, in Gareth Jones, Suetrong, Cheng, Rungjindamati, Sakayaroj, Boonyuen, Somrothipol, Abdel-Whahab & Pang, Cryptog. Mycol. 35(2): 131 (2014)

            Hypocreomycetidae, Torpedosporales, Juncigenaceae, Fulvocentrum

Index Fungorum number: IF808181; 3 morphological species; 3 species with sequence data.

 

Saprobic on intertidal substrates in marine habitats. Sexual morph: Ascomata perithecial, globose to subglobose or pyriform, solitary, immersed, erumpent to superficial, obliquely or vertically arranged on host surface, olive brown, dark brown to black, coriaceous, comprising a mass of apricot-coloured contents, ostiolate. Ostiolar canal long, periphysate. Peridium thin, comprising brown to dark brown polygonal cells or cells of textura angularis. Paraphyses abundant, hyaline, embedded in gel matrix, unbranched, attached to both the top and bottom of the ascomatal cavity. Asci 8-spored, unitunicate, thin-walled, cylindrical, with short pedicels and thick apices. Ascospores uniseriate, hyaline, 3–5-septate, usually ellipsoidal, constricted at the septa, smooth-walled, with or without gelatinous or amorphous material. Asexual morph: Undetermined (adapted from Jones et al. 2014, Abdel Wahab et al al. 2018).

 

Type species: Fulvocentrum aegyptiacum (Abdel-Wahab, El-Shar. & E.B.G. Jones) E.B.G. Jones & Abdel-Wahab [as 'aegyptiaca'], in Gareth Jones, Suetrong, Cheng, Rungjindamati, Sakayaroj, Boonyuen, Somrothipol, Abdel-Whahab & Pang, Cryptog. Mycol. 35(2): 131 (2014)

 

   Notes: Found on decayed attached branches of Avicennia marina in the intertidal zone. The genus has immersed, dark brown, ostiolate ascomata with numerous unbranched paraphyses in a gel and short pedicels, apically thickened asci, with 3-septate, ellipsoidal, hyaline ascospores (Jones et al. 2014). The genus is distinct in having, short-pedicellate, apically thickened asci with 3-septate, ellipsoidal hyaline ascospores (Jones et al. 2014). In this entry, Fulvocentrum aegyptiacum is illustrated to demonstrate the sexual morph. Fulvocentrum aegyptiacus is commonly found in intertidal wood from Avicennia marina in Red sea mangroves Egyptian coast (Abdel-Wahab 2005) and Arabian Gulf mangroves of the Saudi Arabia coast (Abdel-Wahab 2005).

 

 

Species illustrated in this entry

Fulvocentrum aegyptiacum (Abdel-Wahab, El-Shar. & E.B.G. Jones) E.B.G. Jones & Abdel-Wahab

 

 

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