 Phylum：Ascomycota >> Class： Dothideomycetes >> Order： Dothideomycetes |
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 BCRC Number： |
NO BCRC Number! | |||
| Scientific Name： |
Passalora evodiae | |||
| Author： |
Passalora evodiae (Sydow) Goh & Hsieh. Cercospora and similar fungi from Taiwan. Maw Chang Book Company, Taipei, Taiwan, 1990. Basionym: Cercospora evodiae Sydow, Ann. Mycol. 12:112, 1914. |
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| Description： |
Leaf spots indistinct to circular discoloration on upper surface, without definite border, 1.5-3 mm wide. Fruiting hypophyllous, appearing as aggregated dark brown, punctiform, small patches on lower surface. Secondary mycelium absent. Stromata lacking or only a few cells. Conidiophores up to 18 in a divergent fascicle, pale to medium dark olivaceous brown, paler near the base, strongly clavate, straight or curved, 0-2 septate, not branched, not geniculate, tip subtruncate to bluntly rounded, sometimes slightly verruculose near the apex, 30-80 × 7-10 μm, conidial scars conspicuously thickened. Conidia obclavate, pale olivaceous brown, straight to slightly curved, thick walled, slightly verruculose, 1-3 septate, usually 3-septate, subacute to obtuse at the apex, obconic or obconically truncate at the base with a conspicuously thickened hilum, 25-60 × 7-10 μm. | |||
| Specimens： |
Taiwan, Hwalien, 13 May, 1919, holotype in Herb. NTU-PPE. |
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| Habitat： |
On leaves of Evodia meliaefolia (Hance) Benth. | |||
| Distribution： |
Taiwan. |
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| References： |
null |
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| Provided： |
W. H. Hsieh |
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| Note： |
Chupp in his monograph (1954) suggested that this fungus should be placed in the genus Pseudocercospora. However, by considering the conspicuously thickened conidial scars and the absence of large stromata, this fungus is placed in the genus Passalora rather than in Cercosporidium. | |||