Hypophyllous; no distinct spots; effused in indefinite patches; light brown turning darker with age. Pale to dark ferruginous discoloration on upper side of the leaf. Hyphae abundant, pale brown, continuous, pluri-septate, sub-clavate, 35-60x5 u. Conidia smoky hyaline, cylindrical, slightly curved, 1-3-septate, obtuse 25-40 x 5-6 u.