Phylum:Ascomycota >> Class: Dothideomycetes >> Order: Dothideomycetes | ||||
BCRC Number: | NO BCRC Number! | |||
Scientific Name: | Pseudocercospora dendrobii | |||
Author: | Pseudocercospora dendrobii Goh & Hsieh. Cercospora and similar fungi from Taiwan. Maw Chang Book Company, Taipei, Taiwan, 1990. |
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Description: | Leaf spots indistinct, merely suborbicular or irregular chlorotic discoloration on the upper surface, without definite border, 3-10 mm wide. Fruiting strictly hypophyllous, dark olivaceous, evenly distributed on the spot, effuse or visible as numerous minute dark pustules. Secondary mycelium absent. Stromata small or well developed, up to 90 am wide, globose, olivaceous brown. Conidiophores loosely or densely fasciculate, emerging from the stomata, divergent, olivaceous to pale olivaceous brown, uniform in colour, slightly paler at the apex, substraight or curved to sinuous, 0-4 geniculate, 1-5 septate, slightly constricted at the septa, conically truncate at the apex, 40-80 × 3-4.5 μm; conidial scars unthickened. Conidia acicular or aciculo-obclavate, pale to medium olivaceous, straight to slightly curved, 5-9 septate, acute at the apex, obconically truncate at the base, 40-80 × 3-3.5 μm hilum unthickened and inconspicuous. | |||
Specimens: | Taiwan, Taichung Hsien, Tali, 27 Nov. 1986, holotype, NCHUPP-233. |
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Habitat: | On leaves of Dendrobium sp. | |||
Distribution: | Taiwan. |
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References: | null |
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Provided: | W. H. Hsieh |
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Note: | This fungus and Cercospora dendrobii Burnett (Proc. Fla. St. hort. Soc. 77 (1964), p. 465, 1965) may be synonymous. | |||