Capnodiales » Mycosphaerellaceae » Polythrincium

Polythrincium trifolii

Polythrincium trifolii Kunze, Mykologische Hefte (Leipzig) 1: 14 (1817).

            Index Fungorum number: IF 215652; Facesoffungi number: FoFxxx, Fig. 1, 2

Description:

Saprobic on leaves or associated with leaf spots. Sexual morph: Undetermined. Asexual morph: Mycelium superficial, pale brown to dark brown, septate, smooth-walled. Stromata appears as small black pustules, the on the lower side of leaf. Conidiophores 25−50 × 6.5−9.6 µm (x̄ = 30.7 × 7.8 µm, n = 10), thick-walled, melanised, pale to dark brown, growing sympodially giving a spiral appearance.  Conidiogenous cells .5−6.3 × 7.7−9.6 µm (x̄ = 5.8 × 9.2 µm, n = 10), enteroblastic, annellidic, short cylindrical to doliiform, discrete, indeterminate, pale brown, smooth. Conidia 3.5−6.3 × 7.7−9.6 µm (x̄ = 5.8 × 9.2 µm, n = 10), spherical, truncate at the base, aseptate, dark brown, 1-septate, continuous, olivaceous to pale brown, thin, smooth-walled.

Material examined: Germany, Tegel, on leaves Trifolium sp. (Fabaceae), C. Scheppig, 23 September 1883 (CUP-060538).