Dothideomycetes » Dothideomycetes, genera incertae sedis » Philobryon

Philobryon anuliferum

Philobryon anuliferum Döbbeler, Pl. Syst. Evol. 158(2-4): 335 (1988).

            Index Fungorum number: IF 132194; Facesoffungi number: FoF 12389, Fig. 1

Description:

Saprobic or biotrophic on leaves and stems. Sexual morph: Ascomata 80–120 μm diam., circular, solitary or gregarious, superficial, membranaceous, carbonaceous, dark brown to black, very dry. Peridium and Hamathecium not observed. Asci 30–40 × 5–6 μm (x̄ = 32.2 × 5.2 µm, n = 10), few, 8-spored, bitunicate, fissitunicate, oblong to ellipsoidal or broadly clavate, pedicel lacking, ocular chamber not well-developed. Ascospores 10–12 × 2–3 μm (x̄ = 10.2 × 2.1 µm, n = 10), overlapping 2–3-seriate, narrowly ellipsoidal, hyaline, uniseptate, not constricted at the septum, bi-celled. Asexual morph: Unknown.

Material considered: Papua New Guinea, Morobe province, Gumi Divide, Head of Gumi Creek, 25 km W of Bulolo, 7^o 13’S, 146 ^o 25’E, 1700 m alt. on upper branches of a large tree, 13 October 1982, H. Streimann (CANBR 25110, holotype).

Fig. 1 Philobryon anuliferum (CANBR 25110). a, b Herbarium specimen. c Squash mount of ascomata. d–f Asci (stained in cotton blue). g, h Ascospores (re-drawn from Döbbeler 1988). Scale bars: c = 20 μm, d–f = 10 μm, g, h = 5 μm.

Importance and distribution

Philobryon comprises only one species known on leaves of Pleurozia gigantean (Pleuroziaceae) in Oceania (Papua New Guinea).

 

Reference

Döbbeler P. 1988 – Drei neue moosbewohnende Ascomyceten. Plant Systematics and Evolution 158, 329–355.

 

 

 

Recent News

Recent paper to be published

Recent Genus

Nothocladosporium
Phillipsiella
Curreya

Recent Species

Nothocladosporium syzygii
Phillipsiella atra
Curreya conorum