PDF - Journal of Threatened Taxa

Foliicolous fungi of Silent ValleyHosagoudar & Rijua7µmcdb14.4µmb15µmFigure 95. Asterina pongalaparensisa - Appressoriate mycelium; b - Thyriothecium; c - Ascus;d - Ascosporesa7µmdat wide angles, loosely reticulate, cells 9–16x3–5µm. Appressoria pale brown, unicellular, alternate tounilateral, globose, stellately sublobate, rarely entire,4–6x7–10 µm. Thyriothecia scattered, mostly rounded,up to 100µm in diameter, dehiscing stellately at thecenter, margin crenate to fimbriate, fringed hyphaeyellow, slightly flexuous; asci many, globose to ovate,eight spored, 27–28x21–25 µm; ascospores brown,conglobate, 1-septate, 18–19x9–11 µm, one cell slightlylarger, wall smooth.Material examined: 01.xii.2003 on leaves ofOreocnide sp. (Urticaceae), Sairandhri, V.B.Hosagoudaret al. HCIO 45767, TBGT 1516; HCIO 46280, TBGT 1926;HCIO 45914, TBGT1676; 14.xii.2003, V.B. Hosagoudaret al. TBGT 1678, HCIO 45916; Oreocnide integrifolia(Gaudich) Miq. (Villebrunea integrifolia Gaudich.)(Urticaceae), 13.xii.2003, V.B. Hosagoudar et al. HCIO45771, TBGT 1520; 11.vi.2007, Jacob Thomas et al. TBGT5683; Villebrunnia sp., Silent Valley, 26.ii.2009, S.S. Shajiet al. 5586; on leaves of Urticaceae member, Champatty,14.xii.2003, V.B. Hosagoudar et al. HCIO 47729, TBGT2751.Asterina oreocnidegena Hosagoudar in Hosagoudar,H. Biju & Appaiah, Mycopathol. Res. 44: 42, 2006 (Fig.94).Colonies epiphyllous, thin to subdense, up to 3mmc8.8µmFigure 96. Asterina rhodomyrtia - Appressoriate mycelium; b - Thyriothecium; c - Ascus;d - Ascosporesin diameter. Hyphae straight, branching mostly oppositeat acute angles, loosely reticulate, cells 19–28x4–7 µm.Appressoria mostly opposite, about 3% alternate tosolitary, unicellular, ovate, conoid, broadly rounded atthe apex, entire, 9–12x4–7 µm. Thyriothecia scatteredto connate, orbicular, up to 180µm in diameter, stellatelydehisced at the centre, margin crenate to fimbriate,fringed hyphae compact; asci globose, octosporous,30–40 µm in diam.; ascospores conglobate, brown,uniseptate, constricted at the septa, 25–30x14–16 µm,wall smooth.Material examined: 13.xii.2003 On leaves ofOreocnide integrifolia (Gaud. ex Wedd.) Miq.(Urticaceae), Sairandhri, V.B. Hosagoudar et al. HCIO45771 (holotype), TBGT 1520 (isotype); Silent Valley,Villebrunnia sp. (Urticaceae), 26.ii.2009, S.S. Shaji et al.5586 p.Asterina pongalaparensis Hosagoudar, C.K. Biju &Abraham, Indian Phytopath. 54: 138, 2001; Hosagoudar,Journal of Threatened Taxa | www.threatenedtaxa.org | 05 March 2013 | 5(3): 3701–37883757