Freshwater Ascomycetes - Species Monograph
Click on the pictures below to view them at their full size.
| Genus |
Species |
Author |
| Annulatascus |
palmietensis |
K.D. Hyde, T.K. Goh, and T.D. Steinke |
| Class |
Order |
Family |
| Sordariomycetes |
Inc. sed. |
Annulatascaceae |
|
| Synonymy: |
|
Description
|
| Habit: |
Ascomata immersed, semi-immersed or occasionally superficial on wood. |
|
| Ascomata: |
Ascomata 150-440 µm diam., ellipsoidal ur subglobose, dark-brown to black, immersed, semi-immersed, occasionally superficial, coriaceous, solitary, ostiolate and beaked. |
|
| Peridium: |
Peridium up to 20 µm wide, comprising several rows of brown-walled, irregular, angular cells. |
|
| Beak: |
Beaks up to 200 µm long, 70 µm wide and periphysate. |
|
| Hamathecium: |
Paraphyses to 3 µm diam. at the base, septate, sparse, tapering. |
|
| Ascus: |
Asci 98-142 x 7-10.5 µm, 8-spored, cylindrical, thin-walled, pedicellate, with a relatively massive refractive J-subglobose apical ring, 4-4.5 µm diam., 3-4 µm high. |
|
| Ascospore: |
Ascospores 20-26 x 6-7 µm. 1-2 seriate, short fusiform, ends blunt, 3-septate in mature specimens, hyaline, appearing smooth-walled. |
|
| Sheath: |
Not present. |
|
| Appendage: |
Not present. |
|
| Culture: |
|
| Anamorph: |
Unknown. |
|
Other info
|
| Type & Location: |
South Africa. Durban. Palmiet River, on submerged wood, Nov. 1994, K. D. Hyde & T.D. Steinke. SAPR 43 (HKU(M) 2206). |
| Other Specimens: |
|
| Substratum: |
submerged wood |
| Habitat: |
lotic (river) |
| Distribution: |
South Africa |
| Pertinent Literature: |
South African Journal of Botany 64: 151-162 |
| Comments: |
|
Additional Pictures
|
Back
|
|