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Erysiphe sibiliae (Ciccar.) U. Braun & S. Takam. [2027265]

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 or basionymous. Taxonomic rank: species. Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Uncinula sibiliae Ciccar. Type: Uncinula sibiliae Ciccar.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells polygonal, rounded, indistinct, ca. 8-15 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [491] (1987).

Biogeography: Continent: Africa. Country or state(s): Somalia (only known from the type collection).

Ecology: Biotroph; phytopathogenic; growing on leaves, epiphyllous. Host or Phorophyte Taxonomy: Stereospermum kunthianum Cham.; Stereospermum, Bignoniaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, .14-.18 mm in diam.. Margin: External filaments present (straight to curved); circinate (stalk narrowing abruptly to a circinate apex, apex not enlarged), .75-1 µm long, 4.5-6.5-(8.5) µm in diameter, numerous, 35-65 per mm², growing between the lower and upper hald of the ascocarp, thin (throughout), not ramified, aseptate or septate (0-1-septate).

Asci: 10-12 asci per ascocarp, indistinctly stipitate (subsessile), 58-62 µm long, 37-40 µm wide; dehiscence unitunicate.

Ascospores: c. 4 to c. 8 per ascus, spores 4-6 per ascus, ellipsoid or ovoid, 18-22 µm long, 12-16 µm wide; septa absent.

(report generated 04.Okt.2007)

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