Erysiphe paradoxa (Simonyan) U. Braun & S. Takam. [2014467]

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-07-27). Data set reviewer(s): Schubert K. (06-03-02); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Uncinula paradoxa Simonyan. Type: Uncinula paradoxa Simonyan.

Taxonomic Literature: Taxonomic notes: +ascocarp outer wall cells obscure;. Braun U., Beih. Nova Hedwigia 89: 1-700 [459-460] (1987).

Biogeography: Continent: Asia-Temperate (Armenia, only known from the type collection). Country or state(s): Transcaucasus (Armenia, Azerbaijan & Georgia).

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Acer ibericum M. Bieb.; Acer, Aceraceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or gregarious, .105-.155 mm in diam.. Margin: External filaments present (length variable, widely and loosely curved, undulate or twisted); interlaced with each other (appendages of aggregated ascocarps, often), uncinate (or very irregular and loose spirals; very widely and loosely), 2-8 µm long, (3)-4-8 µm in diameter, hyaline, numerous, 30-80 per mm², growing between the lower and upper hald of the ascocarp, flexuose, smooth or rough, thin or moderatly thick (at the base), not ramified, aseptate.

Asci: 5-12 asci per ascocarp, not stipitate or indistinctly stipitate, 50-80 µm long, 30-50 µm wide; dehiscence unitunicate (they are easily to be seen in mature, closed ascocarps).

Ascospores: c. 4 to c. 8 per ascus, spores 5-6-8 per ascus, ellipsoid, ovoid, sub-cylindrical, or curved, 20-30 µm long, 11-18 µm wide; septa absent.

(report generated 04.Okt.2007)