Rhynchomeliola Speg. (1884)

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: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 1. Rhynchomeliola. Trichosphaeriaceae G. Winter (1885); Trichosphaeriales.

Type Information: Type: Rhynchomeliola pulchella Speg.

Taxonomic Literature: Henssen A. & Kantvilas G., Lichenologist 17: 85-97 (1985); Müller E. & Arx J.A., Beitr. Kryptogamenfl. Schweiz 11(2): 1-922 [592-595] (1962).

Ecology: Biotroph or saprobic; lichenicolous; corticolous or epiphyllous.

Lichen Photobionts: Primary photobiont absent. Secondary photobiont absent.

Thallus: Indistinct.

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, stromatic. Margin: External filaments absent. Exciple: Brown. Periphyses: Present. Interascal Hyphae: Absent or present, scarcely branched, not or scarcely anastomosed. Hypothecium: Brown.

Asci: Tholus not thickened or thickened, not amyloid; dehiscence unitunicate.

Ascospores: c. 8 per ascus, ellipsoid, globose, or fusiform, 7-18 µm long, 2.5-8 µm wide, obtuse or aciculate; septa absent or present; transversally septate, 1-1-transversally septate; wall thin, not thickened at the septum, dark brown, middle brown, grey, or hyaline, in Lugol's Solution negative, wall not ornamented or ornamented.

Conidiomata: Absent resp. not observed or present.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)