Freshwater Ascomycetes - Species Monograph
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| Genus |
Species |
Author |
| Ascotaiwania |
mitriformis |
Ranghoo & K. D. Hyde |
| Class |
Order |
Family |
| Sordariomycetes |
Xylariales |
Amphisphaeriaceae |
|
| Synonymy: |
|
Description
|
| Habit: |
Saprobic, semi-immersed in submerged wood. |
|
| Ascomata: |
400-450 µm high, 500-560 µm diam., semi-immersed, subglobose, black, coriaceous, solitary to gregarious. |
|
| Peridium: |
20-45 µm, composed of 5-7 layers of brown angular cells. |
|
| Beak: |
None |
|
| Hamathecium: |
Paraphyses 250-325 x 3.8-5 µm, hypha like, septate, branched and tapering toward the apex. |
|
| Ascus: |
Asci 325-375 x 25-35 µm, 8-spored, cylindrical, short pedicellate, apically rounded with a relatively massive, J- apical ring, 7.5-10 µm high, 12.5-15 µm wide. |
|
| Ascospore: |
Ascospores 62.5-72.5 x 12.5-17.5 µm (x = 66.4 x 15.1 µm, n = 25), overlapping uniseriate, fusiform, 7-septate, not constricted at the septa, brown with hyaline end cells which are mitriform in shape, smooth-walled. |
|
| Sheath: |
Not present. |
|
| Appendage: |
Not present. |
|
| Culture: |
|
| Anamorph: |
Monotosporella |
|
Other info
|
| Type & Location: |
Hong Kong, The New Territories: The Plover Cove Resevoir, on submerged wood, 26 Jan 1997, V.M. Ranghoo (HKU(M) 5224). |
| Other Specimens: |
|
| Substratum: |
submerged wood |
| Habitat: |
lentic (resevoir) |
| Distribution: |
Hong Kong |
| Pertinent Literature: |
Mycologia 90 (6): 1055-1062. |
| Comments: |
|
Additional Pictures
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