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Erysiphe heringeriana (U. Braun ex Dianese & A. C. Dianese) U. Braun & S. Takam. [2022466]

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 heringeriana U. Braun ex Dianese & A. C. Dianese; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Uncinula heringeriana U. Braun nom. prov. Type: Uncinula heringeriana U. Braun nom. prov.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells irregularly shaped, ca. 14-20 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [486] (1987).

Biogeography: Continent: Southern America (Brazil, only known from the type collection).

Ecology: Biotroph; phytopathogenic; growing on leaves, hypophyllous. Host or Phorophyte Taxonomy: Qualea sp.; Qualea, Vochysiaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered, .11-.13 mm in diam.. Margin: External filaments present (ca. 110-165 µm long); circinate (apex not enlarged), 1-1.25 µm long, 5-7 µm in diameter, hyaline, numerous, 25-30 per mm², growing more or less between the lower and upper hald of the ascocarp, flexuose, thin or moderatly thick (sometimes at the base), not ramified, aseptate.

Asci: 3-4-5 asci per ascocarp, sub-globose or broadly clavate, not stipitate (usually), 50-56 µm long, 47-50 µm wide; dehiscence unitunicate.

Ascospores: c. 4 per ascus, spores 3-4 per ascus, ellipsoid, 25-36 µm long, 16-24 µm wide; septa absent.

(report generated 04.Okt.2007)

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