Phylum:Anamorphic fungi >> Class: Anamorphic fungi >>  Order: Anamorphic fungi 
   
 
 BCRC Number NO BCRC Number!  
   
 Scientific Name: Stenella gynurae
 
   
   
 Author:

Basionym: Cercospora gynurae Sawada & Katsuki, Spec. Publ. Coll. Agric. nat. Taiwan Univ. 8:218-219. 1959.

Stenella gynurae (Sawada & Katsuki) Goh & Hsieh, Cercospora and similar fungi from Taiwan. Maw Chang Book Company, Taipei, Taiwan: 88-89. 1990.

   
 
 
 
 
 Description: Leaf spots orbicular, grayish, without definite border, 3-5 mm wide. Fruiting hypophyllous. Stromata lacking. Secondary mycelium external: hyphae subhyaline to pale olivaceous, repent, septate, finely verruculose, bearing secondary conidiophores as erect side branches, 1-2 μm wide. Primary conidiophores arise singly or up to 6 in a fascicle, emerging from the stomata, pale olivaceous to pale brown, paler towards the apex, straight or 1- 2 mildly geniculate, rarely branched, 1-6 septate, rounded at the apex, 20-70 μm (or rarely up to 230 μm) long, irregular in width, 2.5-3.5 μm wide; conidial scars conspicuously thickened, 0.5-1 μm wide. Secondary conidiophores borne on external secondary mycelial hyphae, similar in respect to the primary ones. Conidia yellowish to pale olivaceous, cylindric, straight to slightly curved, 2-6 septate, catenulate, finely verruculose, rounded at the apex, obconic to subtruncate at the base with a small thickened hilum, 18-60 × 2.5- 3.5 μm.
 
 
 
 
 
 Specimens:

Taiwan, Changhua, 14 Dec. 1909, holotype in Herb. NTU-PPE

 
 
 
 Habitat: On leaves of Gynura bicolor (Willd.) DC.
 
 
 
 Distribution:

Taiwan.

 
 
 
 References:

Hsieh, WH and Goh, TK. 1990.

   
   
   
 Provided:

W. H. Hsieh

 
 
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