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Porinula Vezda (1975)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Aptroot A. (95-02-10); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Porinula. Strigulaceae Zahlbr. (1898); Pyrenulales.

Type Information: Type: Porinula tanzanica Ve zda.

Taxonomic Literature: Vezda A., Folia Geobot. Phytotax. 10: 383-432 (1975).

Ecology: Biotroph; lichenized; epiphyllous.

Lichen Photobionts: Primary photobiont present; trentepohlioid. Secondary photobiont absent.

Thallus: Indistinct or crustose, not subdivided parts. Upper Surface: Brownish yellow; special structures absent. Lower Surface: Attached by the whole lower surface; special structures absent.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Perithecioid, orbicular, forming all across the thallus surface, soon sessile. Margin: Prominent; external filaments absent. Exciple: Brownish yellow. Periphyses: Absent. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed.

Asci: Tholus thickened, not amyloid; dehiscence bitunicate.

Ascospores: c. 4 per ascus, ellipsoid or ovoid, 14-20 µm long, 5.5-6.5 µm wide, obtuse; septa present; transversally septate, 1-transversally septate; wall thin, not thickened at the septum, laterally constricted where the septum meets the spore wall, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)


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