Erysiphe chloranthi (Golovin & Bunkina) U. Braun

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. Data set reviewer(s): Schubert K. (06-02-22); revised.

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

Type Information: Basionym: Erysiphe communis f. chloranthi Golovin & Bunkina.

Taxonomic Literature: Taxonomic notes: +appressoria moderately lobed;+ascocarp outer wall cells large, irregularly polygonal, ca. 10-25 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [206-207] (1987).

Biogeography: Continent: Asia-Temperate. Region(s): Far Eastern Asia. Country or state(s): Japan.

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Chloranthus japonicus Siebold; Chloranthus, Chloranthaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups, .08-.105-(.11) mm in diam.. Margin: External filaments present (long and short appendages on the same ascocarp); mycelioid, straight, 1-6 µm long, 5-9 µm in diameter, pigmented (brown throughout when mature or long appendages brown below and paler upwards, sometimes hyaline in the upper half), few or numerous, growing all across the lower half of the ascocarp, thin, not ramified, septate.

Asci: 3-5 asci per ascocarp, not stipitate or distinctly stipitate, 40-65-(70) µm long, 30-50 µm wide; dehiscence unitunicate.

Ascospores: 1–2 to c. 4 per ascus, spores (2)-3-4-5 per ascus, subglobose, ellipsoid, or ovoid, (18)-20-32 µm long, (8.5)-11-18 µm wide; septa absent.

Conidiomata: Present; hyphomycetous.

Conidiophores: Pseudoidium-type; not branched. Conidium Formation: Conidiogenous cells single. Conidia: Ellipsoid; macroconidial, not branched, 26-29 µm long, 13-15 µm wide; aseptate.

(report generated 04.Okt.2007)