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Erysiphe combreticola (Doidge) U. Braun & S. Takam. [2013233]

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 or basionymous. Taxonomic rank: species. Synonyms: Uncinula combreticola Doidge; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Uncinula combreticola Doidge. Type: Uncinula combreticola Doidge.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells polygonal to rounded, ca. 10-15 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [489-490] (1987).

Biogeography: Continent: Africa. Region(s): Southern Africa (South Africa). Country or state(s): Zambia (and South Africa).

Ecology: Biotroph; phytopathogenic; growing on leaves, epiphyllous (mostly) or amphigenous. Host or Phorophyte Taxonomy: Combretum zeyheri Sond.; Combretum, Combretaceae.

Reproduction Strategy: With sexual (and possible asexual) stages (mostly epiphyllous). Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, gregarious, .1-.16 mm in diam.. Margin: External filaments present (90-180 µm long); uncinate (at first, later becoming loosely circinate to helicoid, the coiled part ca. 20-28 µm across), circinate, or helicoid, 1-2 µm long, 3-8.5-(11) µm in diameter, hyaline, numerous, 45-75 per mm², thin, not ramified or ramified (occasionally once or twice dichotomously forked), aseptate or septate (0(-1)-septate).

Conidiomata: Present; hyphomycetous.

Conidiophores: Pseudoidium-type; not branched. Conidium Formation: Conidiogenous cells single. Conidia: Cylindrical (with truncate to rounded ends); macroconidial, not branched, 30-45 µm long, 13-17 µm wide; aseptate.

(report generated 04.Okt.2007)

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