Phylum:Ascomycota >> Class: Ascomycetes >> Order: Dothideales | ||||
BCRC Number: | NO BCRC Number! | |||
Scientific Name: | Leptosphaeria doliolum | |||
Author: | Leptosphaeria doliolum (Pers.) Ces. & de Not., Comm. Soc. Critt. Ital. 1: 234. 1863. |
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Description: | Ascostromata immersed at first, later exposed by shedding off the host epidermis, scattered or gregarious, conical with a flattened base from which a few short hyphae penetrate into underlying host tissue, 203-234 μm high, 374-546 μm wide. Shield of ascostromata radiate, with a conspicuous ostiole. Peridium 21-35 μm thick, composed of 4-7 layers of thick-walled pseudoparenchymatous cells, and the base composed of 2-7 layers of slightly compressed thin-walled cells, 10-23 μm thick. Asci cylindrical, bitunicate, basal, 8-spored, pseudoparaphysate,113-140 × 8-10 μm. Ascospores brown, uniseriate, fusoid, 3-septate, and constricted at the septa, 18-23 × 5-7 μm. | |||
Specimens: | Taiwan, Taichung County, Nanhutashan, 3 Nov. 1991, NCHUPP-2274. |
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Habitat: | On stems of Angelica morrisonicola Hay. | |||
Distribution: | Cosmopolitan. |
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References: | Chen, CY. and Hsieh, WH. 1994; Dennis, RWG. 1978. |
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Provided: | W. H. Hsieh |
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Note: | This species is very common on dead herbaceous stems. The species was also re-ported to occur on Angelica spp. in England (Dennis, 1978). | |||