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Erysiphe aleuritis (C. T. Wei) U. Braun & S. Takam. [2016105]

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-07-28). Data set reviewer(s): Schubert K. (06-02-28); revised.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Synonyms: Uncinula aleuritis (C. T. Wei) U. Braun; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Uncinula miyabei var. aleuritis C. T. Wei. Type: Uncinula miyabei var. aleuritis C. T. Wei.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells 7-21 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [494] (1987).

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

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Aleurites fordii Hemsl.; Aleurites, Euphorbiaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or gregarious, .087-.116 mm in diam.. Margin: External filaments present (angulary bent and slightly undulate, length variable, somewhat expanded towards the apex); circinate or sub-helicoid, 1-2 µm long, 6-7.5 µm in diameter, hyaline or pigmented (light brown at the base), few, 6-13 per mm², growing between the lower and upper hald of the ascocarp, smooth or rough (below), thin or thick (below), not ramified, aseptate.

Asci: 3-7 asci per ascocarp, not stipitate or indistinctly stipitate, 50.4-71.4 µm long, 37.8-56 µm wide; dehiscence unitunicate.

Ascospores: c. 4 or c. 8 per ascus, spores 4-6 per ascus, ovoid (to oblong), 19.2-25.2 µm long, 9.8-15.4 µm wide; septa absent.

(report generated 04.Okt.2007)

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