 Phylum：Ascomycota >> Class： Dothideomycetes >> Order： Dothideomycetes |
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 BCRC Number： |
NO BCRC Number! | |||
| Scientific Name： |
Cercospora apios | |||
| Author： |
Cercospora apios Goh & Hsieh. Bot. Bull. Acad. Sinica 30(2):117-118 1989. |
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| Description： |
Leaf spots amphigenous, irregularly angular, vein-limited, 1-4 mm wide, often confluent, dark brown at first, later become whitish at center with a narrow brown margin. Fruiting amphigenous. Secondary mycelium absent. Stromata none or up to 40 μm wide, dark brown. Conidiophores 2-35 in a fascicle, emerging from the stomata, yellowish brown to pale pinkish brown, paler towards the apex, uniform in width or slightly attenuated, straight or geniculate, 1-4 septate, rarely branched, 40-120 × 4-5 μm; conidial scars medium size (2-3 μm wide), conspicuously thickened. Conidia hyaline, acicular, substraight to curved, multiseptate, acute to subobtuse at the apex, truncate at the base with a thickened hilum, 50-120 × 3-5 μm. | |||
| Specimens： |
Taiwan, Taichung Hsien, Lishan, 31 July, 1987, holotype, NCHUPP-224. |
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| Habitat： |
On leaves of Apios taiwanianus Hosok. | |||
| Distribution： |
Taiwan. |
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| References： |
null |
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| Provided： |
W. H. Hsieh |
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| Note： |
This fungus differs from Cercospora canescens Ellis & Martin (Amer. nat. 16:1003, 1882) and Cercospora apii Fres. (Fresenius, 1863) by its comparatively narrower and paler conidiophores. No other Cercospora or other Cercospora-like fungi reported on Apios. | |||