Erysiphe doidgei U. Braun

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

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Synonyms: Erysiphe doidgei U. Braun; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Erysiphe doidgei U. Braun. Type: Erysiphe doidgei U. Braun.

Taxonomic Literature: Taxonomic notes: nom. prov.;+ascocarp outer wall cells irregularly angular, 10-25 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [234] (1987).

Biogeography: Continent: Africa. Region(s): Southern Africa (South Africa).

Ecology: Biotroph; phytopathogenic. Host or Phorophyte Taxonomy: Triumfetta sonderii Ficalho & Hiern; Triumfetta, Tiliaceae.

Reproduction Strategy: With sexual (and possible asexual) stages (flattened-globose). Ascocarps: Cleistothecioid, orbicular (flattened-globose), forming independently from the host thallus or mycelium, scattered or more or less in loose groups, .075-.13 mm in diam.. Margin: External filaments present (tortuous); mycelioid (usually), straight, 1-5 µm long, hyaline or pigmented (brown), growing all across the lower half of the ascocarp, not ramified, septate.

Asci: 3-10 asci per ascocarp, 50-70 µm long, 30-50 µm wide; dehiscence unitunicate.

Ascospores: c. 4 or c. 8 per ascus, spores 3-6 per ascus, ellipsoid, 18-25 µm long, 10-15 µm wide; septa absent.

Conidiomata: Present; hyphomycetous (mycelium and conidial state variable).

Conidiophores: Pseudoidium-type; not branched. Conidium Formation: Conidiogenous cells single or in chains (short, very rarely). Conidia: Macroconidial, not branched, 26-40 µm long, 15-17.5 µm wide; aseptate.

(report generated 04.Okt.2007)