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Erysiphe carpophila H. Syd.

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. Data set reviewer(s): Schubert K. (06-03-22); revised.

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

Type Information: Basionym: Erysiphe carpophila H. Syd. Type: Erysiphe carpophila H. Syd.

Taxonomic Literature: Taxonomic notes: +appressoria multilobed;+conidiophores foot cells erect, followed by 2 shorter cells (sometimes only slightly shorter), cylindric;+ascocarp outer wall cells obcscure, irregularly polygonal to rounded, ca. 8-20 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [181] (1987).

Biogeography: Continent: Australasia. Region(s): New Zealand (endemic).

Ecology: Biotroph; phytopathogenic; growing on stems, leaves, or inflorescences. Host or Phorophyte Taxonomy: Weinmannia sylvicola Sol. ex A. Cunn.; Weinmannia, Cunoniaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, sub-scattered or gregarious, (.1)-.11-.16-(.2) mm in diam.. Margin: External filaments present (characteristically undulate-geniculate, often with short lateral outgrowthes, gracile); interlaced with each other, mycelioid, straight, .25-4 µm long, 3-5.5 µm in diameter, hyaline or pigmented (rarely faintly yellowish to brownish), numerous, growing all across the lower half of the ascocarp, smooth or rough, thin or moderatly thick (especially below), not ramified or ramified, not branched, inconspicuously septate.

Asci: (4)-10-20-(25) asci per ascocarp, distinctly stipitate, 40-85 µm long, (20)-25-35 µm wide; dehiscence unitunicate.

Ascospores: c. 8 per ascus, spores (5)-6-8 per ascus, ellipsoid or ovoid, 15-22 µm long, 9-15 µm wide; septa absent.

Conidiomata: Present; hyphomycetous (conidiophores flexuous, in the lower part, foot cells erect, followed by too shorter cells, sometimes only slightly shorter).

Conidiophores: Pseudoidium-type; not branched; basal cells 35-42 µm long, 7-9 µm wide. Conidium Formation: Conidiogenous cells single. Conidia: Cylindrical (more or less); macroconidial (germ tubes on end, occasionally on side of conidia, with club-shaped or lobed appressorium on the end), not branched, (25)-30-32.5-(52.5) µm long, (12)-15-16.5 µm wide; aseptate.

(report generated 04.Okt.2007)

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