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Erysiphe allophyli U. Braun & S. Takam. [2000106]

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-07-28). Data set reviewer(s): Schubert K. (06-03-01); revised.

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

Type Information: Basionym: Uncinula fusca Piroz. Type: Uncinula fusca Piroz.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells indistinct, irregularly rounded;Asci and ascospores not seen. Braun U., Beih. Nova Hedwigia 89: 1-700 [487-489] (1987).

Biogeography: Continent: Africa (Rhodesia, only known from the type collection).

Ecology: Biotroph; phytopathogenic; growing on leaves, hypophyllous (cleistothecia mostly) or amphigenous. Host or Phorophyte Taxonomy: Allophyllus holubi Backer; Allophyllus, Sapindaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, gregarious, .08-.15 mm in diam.. Margin: External filaments present (100-180 µm long, straight); helicoid (the coiled part ca. 15-20 µm across; uniformly), 1-1.5 µm long, 3.5-5.5 µm in diameter, hyaline or pigmented (below, paler to hyaline above), numerous, (15)-26-36-(40) per mm², thin (above) or moderatly thick, not ramified, aseptate or septate (0-1-septate).

Conidiomata: Present; hyphomycetous.

Conidiophores: Pseudoidium-type; not branched. Conidium Formation: Conidiogenous cells single. Conidia: Ellipsoid or cylindrical; macroconidial, not branched, 25-40 µm long, 11-14 µm wide; aseptate.

(report generated 04.Okt.2007)

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