Phylum:Ascomycota >> Class: Dothideomycetes >>  Order: Dothideomycetes 
   
 
 BCRC Number NO BCRC Number!  
   
 Scientific Name: Pseudocercospora paulowniae
 
   
   
 Author:

Pseudocercospora paulowniae Goh & Hsieh. Cercospora and similar fungi from Taiwan. Maw Chang Book Company, Taipei, Taiwan, 1990.

   
 
 
 
 
 Description: Leaf spots suborbicular to angular, 1-7 mm wide, grayish brown to dark brown with a darker brown to black margin and an orange outmost border. Fruiting amphigenous but chiefly hypophyllolis. Secondary mycelium absent. Stromata none or rudimentary. Conidiophores 4-12 in a divergent fascicle, pale to medium olivaceous brown, uniform in colour, irregular in width, substraight or flexuous, 1-4 septate, constricted at the septa, simple or occasionally branched, 0-6 geniculate, conic or conically truncate at the apex, 25-60 × 3-5 μm; conidial scars unthickened. Conidia subhyaline to pale olivaceous, cylindric to cylindro-obclavate, longer ones filiform or narrowly obdavate, straight or slightly curved, 3-16 septate, slightly constricted at the septa, subobtuse at the apex, obconic to obconically truncate at the base, 35-165 × 3-4.5 μm; hilum unthickened.
 
 
 
 
 
 Specimens:

Taiwan, Nantou Hsien, Yuchih, 23 Oct. 1987, NCHUPP-98b

 
 
 
 Habitat: On leaves of Paulownia fortunei Hernsi.
 
 
 
 Distribution:

Taiwan.

 
 
 
 References:

null

   
   
   
 Provided:

W. H. Hsieh

 
 
 Note: Cercospora paulownia Hori (Jour. Plant Protection 2:79, 1915) differs from this fungus by its epiphyllous fruiting and by its hyaline obdavate conidia. However they are possibly synonymous.