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Erysiphe wuyiensis (Zhi X. Chen & R. X. Gao) U. Braun & S. Takam. [2008896]

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

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Synonyms: Uncinula wuyiensis (Zhi X. Chen & R. X. Gao) U. Braun; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Furcouncinula wuyiensis Zhi X. Chen & R. X. Gao. Type: Furcouncinula wuyiensis Zhi X. Chen & R. X. Gao.

Taxonomic Literature: Taxonomic notes: +ascocarp outer wall cells irregularly angular, 7.5-15 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [462] (1987).

Biogeography: Continent: Asia-Temperate. Region(s): China (only known from the type collection).

Ecology: Biotroph; phytopathogenic; growing on stems or leaves, amphigenous. Host or Phorophyte Taxonomy: Carpinus londoniana H. Winkl.; Carpinus, Corylaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, gregarious, .09-.11 mm in diam.. Margin: External filaments present (very long, 695-1231.7 µm); uncinate or recurved, 7-12 µm long, 4.3-5 µm in diameter, hyaline or pigmented (at the base, brown), few, 7-11 per mm², growing between the lower and upper hald of the ascocarp, verrucose, thin or moderatly thick (below), not ramified or ramified, dichotomously branched (ultimate tips very shortly bi- or trifid with recurved or uncinate branchlets) or trichotomously branched, aseptate or septate (0-1-septate).

Asci: 4-7 asci per ascocarp, not stipitate or indistinctly stipitate (shortly stalked), 55-72.5 µm long, 32.5-35 µm wide; dehiscence unitunicate.

Ascospores: c. 4 to c. 8 per ascus, spores 4-8 per ascus, ellipsoid or ovoid, (12.5)-17.5-20-(22.5) µm long, 7.5-9.4-(10) µm wide; septa absent.

Conidia: Not branched; aseptate.

(report generated 04.Okt.2007)

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