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Vainionora Kalb (1991)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 10 (A. Aptroot 99-09-27). Vainionora. Lecanoraceae Körb. (1855); Lecanorineae; Lecanorales.

Type Information: Type: Vainionora pallidostraminea (Vain.) Kalb.

Taxonomic Literature: Kalb K., Lich Neotrop. Fasc. XII (1991).

Ecology: Biotroph; lichenized; corticolous.

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

Thallus: Crustose. Upper Surface: 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: Apothecioid, orbicular, forming all across the thallus surface, soon sessile. Margin: Prominent; external filaments absent. Periphyses: Absent. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: Brown or brownish yellow.

Asci: Tholus thickened, amyloid, with non-amyloid wide axial body and divergent amyloid flanks towards apex; dehiscence lecanoralean.

Ascospores: c. 8 per ascus, obtuse; septa absent; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present; pycnidial; immersed or sessile, formed all accross the thallus surface.

Conidia: Bacilliform.

Secondary Metabolites: Present, of the following substance class(es): ß-orcinol depsides and xanthones.

(report generated 04.Okt.2007)


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