Melansporella C.M. Tian & Z. Du, 2017

Du, Zhuo, Hyde, Kevin D., Yang, Qin, Liang, Ying-Mei & Tian, Cheng-Ming, 2017, Melansporellaceae: a novel family of Diaporthales (Ascomycota), Phytotaxa 305 (3), pp. 191-200 : 197

Melansporella C.M. Tian & Z. Du , gen. nov. ( Fig. 2 ) MycoBank MB 820306

Type species:— Melansporella juglandium .

Etymology:— referring to the dark conidia.

Description:— Perithecia immersed in the substrate, arranged irregularly, ostioles convergent and erumpent through the disc. Asci oblong or fusoid, irregularly uniseriate, 8-spored. Ascospores fusoid, 1-septate, hyaline, lacking appendages. Pycnidial conidiomata with a single locule. Conidiophores hyaline to light brown, simple. Conidiogenous cells cylindrical. Conidia ovoid, brown, sheathed, with surface structures.

Figures

FIGURE 2. A. Habit of ascostroma and conidiomata on twig. B, C. Habit of conidiomata on twig. D. Transverse section through a conidioma. E, I, J. Longitudinal section through conidiomata. F–H. Habit of ascomata on twig. K, L. Conidiophores and conidia. M, N. Conidia. O, P. Asci and ascospores. Q, R. Ascospores. Scale bars:A = 5 mm, B–G, J = 500 μm, H, I = 1 mm, K–R = 20 μm.