Genus

Trichocladium

Species

nypae

Author

K.D. Hyde & Goh, Mycol. Res. 103: 1420 (1999)

Class

Sordariomycetes, Subclass Sordariomycetidae

Order

Sordariales

Family

Chaetomiaceae

Synonymy:

Trichocladium Harz, Bull. Soc. Imp. nat. Moscou 44: 125 (1871)

Type species:

Trichocladium asperum Harz, Bulletin de la Société Impériale des Naturalistes de Moscou 44: 125 (1871)

Marine species:

Trichocladium nypae K.D. Hyde & Goh, Mycol. Res. 103: 1420 (1999)

Asexual morph: Mycelium composed of branched, septate, subhyaline to pale brown, 1-2 μm wide hyphae. Conidiophores micronematous, mononematous, smooth, thin-walled, hyaline to very pale brown. Conidiogenous cells holoblastic, integrated, terminal or intercalary, smooth, cylindrical, determinate. Conidia holoblastic, solitary, dry, pyriform to ellipsoidal, straight or slightly curved, (1-) 2-septate, usually accentuated at the distal septa, not constricted at the septa, smooth, 15-20 × 10-13(-15) μm, apical cell larger, thick-walled, dark brown, 10-13 μm high, middle cell pale to medium brown, basal cell subhyaline or very pale brown. (Descriptions based on Pang et al. (2011)).

 

Key references:

Hyde KD, Goh TK, Lu BS, Alias SA. (1999) Eleven new intertidal fungi from Nypa fruticans. Mycological Research 103: 1409-1422.

Pang KL, Jheng JS, Jones EBG. (2011) Marine mangrove fungi of Taiwan. National Taiwan Ocean University Press, Keelung. pp. 131.

 

Image: Trichocladium nypae. (a) Conidia on wood surface. (b) Dark-coloured, obpyriform
conidium. Scale bar: a=300 μm; b=10 μm. Photo reproduced with the permission of the National Taiwan Ocean University.

Type & Location:
Other Specimens:
Substratum:
saprobic on dead mangrove wood, petiole of Nypa fruticans.
Habitat:
Distribution:
Brunei, Malaysia, Taiwan, Thailand.
Pertinent Literature:
Comments:
NOTES: This species was originally described from the brackish water palm, Nypa fruticans (Hyde et al. 1999) but later found on wood. Morphologically, it resembles Bactrodesmium linderi with only smaller conidia. A phylogenetic study is required to test if the two species are congeneric (Pang et al. 2011).
  • Fig 1
    Fig 1

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