Dothideales » Dothideales, genus incertae sedis » Botryochora

Botryochora nigra

Botryochora nigra (Torrend) Torrend, Brotéria, sér. bot. 12(1): 65 (1914)                                                     Fig. 5

Megalonectria nigra Torrend, Bull. Jard. bot. État Brux. 4: 8 (1914)

Index Fungorum number: IF 293763; Facesoffungi number: FoF 06220

Saprobic on unidentified bark. Sexual morph: Undetermined. Asexual morph: Stromata 940964 μm high × 1558–1675 μm diam. (x̅ = 1616.8 × 951.6 μm, n = 5), superficial, scattered, broad, flattened turbinate, multiloculate with 3–5 locules, often supported by a stalk at the central point, collapsed when dry, with folded margin, black, coriaceous. Conidiomata 98–368 μm high × 112–363 μm wide (x̅ = 270.6 × 272.7 μm, n = 8), immersed in stromata, brown to black, coriaceous. Peridium one layer, 34 µm wide, composed of black to brown cells of textura angularis. Conidiophores 12–17 μm × 3–4 μm (x̅ = 13.4 × 3.7 μm, n = 20), septate, unbranched, hyaline. Conidiogenous cells enteroblastic, hyaline, with funnel-like collarette, integrated. Conidia 36–41 μm × 23–26 μm (x̅ = 37.2 × 25.5 μm, n = 20), hyaline, unicellular, ellipsoid, with granular cytoplasm, smooth walled.

Material examined MOZAMBIQUE, Zumbo, on unidentified bark, May 1913, A. Cruz (S-F49313).

Economic significance – The asexual genus Botryochora consists of species that cause numerous leaf spot diseases on some plants (Clements 1931).