Erysiphe togashiana (U. Braun) U. Braun & S. Takam. var. togashiana [2000053]

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-07-31). Data set reviewer(s): Schubert K. (06-03-06); revised.

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

Type Information: Basionym: Uncinula togashiana var. togashiana U. Braun. Type: Uncinula togashiana var. togashiana U. Braun.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells irregularly polygonal, ca. 10-25 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [530-532] (1987).

Biogeography: Continent: Asia-Temperate. Country or state(s): Japan (endemic).

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Styrax obassia Siebold & Zucc.; Styrax, Styracaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered, .085-.125 mm in diam.. Margin: External filaments present (delicate; equally wide throughout or somewhat decreasing in width from base to top, especially circinate part narrowed towards the tip; often irregularly angularly bent, sometimes curved, rarely subnodulose); circinate (often narrowed towards the tip), 1-2 µm long, 4-6.5 µm in diameter, hyaline or faintly pigmented (sometimes at the base), numerous, 18-36 per mm², growing between the lower and upper hald of the ascocarp, flexuose, smooth or rough, thin or thick (towards the base), not ramified, aseptate.

Asci: 5-9 asci per ascocarp, not stipitate or indistinctly stipitate, 35-55 µm long, 30-45 µm wide; dehiscence unitunicate.

Ascospores: c. 4 or c. 8 per ascus, spores 4-6 per ascus, subglobose, ellipsoid, or ovoid, 16-21 µm long, 10-14 µm wide; septa absent.

(report generated 04.Okt.2007)