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Erysiphe lata (Y. Nomura & Tanda) U. Braun & S. Takam. [2000259]

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Schubert K. @EXCL@ Kainz C. (06-03-20).

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

Type Information: Basionym: Uncinula lata Y. Nomura & Tanda. Type: Uncinula lata Y. Nomura & Tanda.

Taxonomic Literature: Taxonomic notes: + cleistothecia: cellulae peridii irregulariter polygonales, 12-2? × 10-15 µm. Nomura Y., Taxonomical study of Erysiphaceae of Japan. - 1-281 [73]. Tokyo (1997).

Biogeography: Continent: Asia-Temperate. Country or state(s): Japan.

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Weigela decora (Nakai) Nakai; Weigela, Caprifoliaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid (atro-brunnea), orbicular (globosa vel spheroidea), scattered, .095-.125 mm in diam.. Margin: External filaments present (ad apicem interdum angustatae et spiraliter arcte vel laxe volutae); uncinate (prope apicem curvatae et raro tortae) or circinate, 110-180 µm long, 7-9-(14) µm in diameter, hyaline, numerous, 18-25 per mm², growing between the lower and upper hald of the ascocarp, stiff and straight (rigidae vel leviter curvatae), thin (apicem versus tenui-tunicatae) or thick, not ramified, septate (ad basim 1-septatae).

Asci: 5-6 asci per ascocarp, globose (late ovati), not stipitate or indistinctly stipitate, 50-58 µm long, 32-40 µm wide; dehiscence unitunicate.

Ascospores: c. 8 per ascus, spores 6 per ascus, ellipsoid, 17-24 µm long, 11-13 µm wide; septa absent.

Conidiomata: Absent resp. not observed.

(report generated 04.Okt.2007)

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