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Erysiphe erlangshanensis (Y. N. Yu) U. Braun & S. Takam.

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-07-27). Data set reviewer(s): Schubert K. (06-03-23); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Synonyms: Microsphaera erlangshanensis Y. N. Yu; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Microsphaera erlangshanensis Y. N. Yu. Type: Microsphaera erlangshanensis Y. N. Yu.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells irregularly polygonal, conspicuous, ca. 8-25 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [424-425] (1987).

Biogeography: Continent: Asia-Temperate. Region(s): Far Eastern Asia and China (and Central Asia). Country or state(s): Japan.

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Lonicera hispida Pall.; Lonicera, Caprifoliaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups, .07-.11-(.13) mm in diam.. Margin: External filaments present (mostly about as long as the cleistothecial diam. or somewhat shorter); recurved (distinctly), .5-1.25 µm long, 8-10 µm in diameter, hyaline or pigmented (occasionally brown at the base), few or numerous, 3-15-(20) per mm², growing between the lower and upper hald of the ascocarp, stiff and straight (straight to curved), smooth or rough, thin, moderatly thick, or thick (towards the base, sometimes moderately thick-walled throughout), ramified, dichotomously branched (4-6 times, closely and regularly branched, primary branches occasionally somewhat elongated, tips distinctly recurved), aseptate or septate (0-1-septate).

Asci: 3-5-(8) asci per ascocarp, not stipitate or indistinctly stipitate, 45-60 µm long, 30-50 µm wide; dehiscence unitunicate.

Ascospores: c. 4 to c. 8 per ascus, spores (3)-4-5-(7) per ascus, ellipsoid or ovoid, 15-22.5 µm long, 7.5-12.5 µm wide; septa absent.

(report generated 04.Okt.2007)

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