Phylum:Ascomycota >> Class: Dothideomycetes >>  Order: Dothideomycetes 
   
 
 BCRC Number NO BCRC Number!  
   
 Scientific Name: Passalora henningsii
 
   
   
 Author:

= Cercosporidium henningsii (Allesch.) Deighton, More Dematiaceous Hyphomycetes: 295. 1976.

Basionym: Cercospora henningsii Allescher, in Engler's Pflanzenwelt Ost-Afrikas, Teil C, p. 35. 1895.

Passalora henningsii (Allesch.) R.F. Casta?eda & U. Braun, Cryptogamic Botany 1 (1): 46. 1989.

   
 
 
 
 
 Description: Leaf spots suorbicular lo somewhat angular, 3-10 mm wide, dingy brownish grey at center with a dark brown margin and a pale yellowish brown to orangy halo, paler on the lower surface. Fruiting amphigenous. Stromata 20-45 μm wide, globular, dark brown. Conidiophores densely fasciculate, subhyaime to very pale olivaceous brown, uniform in colour and width, cylindric, 1-3 septate, straight or slightly curved, not branched, 0-2 mildly geniculate, bluntly rounded at the apex, 10-55 × 3.5-5 μm; conidial scars small but conspicuously thickened. Conidia pale olivaceous, cylindric, straight to slightly curved, 3-6 septate, bluntly rounded at the apex, short obconic at the base with a small thickened hilum, 25-55 × 4-6 μm.
 
 
 
 
 
 Specimens:

Taiwan, Taichung, 8 Dec. 1950, NCHUPP-07, 023, 1950. Taichung, 3 Aug. 1984, NCHUPP-99.

 
 
 
 Habitat: On leaves of Manihot esculenta Crantz.
 
 
 
 Distribution:

Common and widespread throughout the tropics.

 
 
 
 References:

Hsieh, WH and Goh, TK. 1990.

   
   
   
 Provided:

W. H. Hsieh

 
 
 Note: null