Erysiphe togashiana var. rigida (U. Braun & Tanda) U. Braun & S. Takam. [2000052]
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. rigida U. Braun & Tanda. Type: Uncinula togashiana var. rigida U. Braun & Tanda.
Taxonomic Literature: Taxonomic notes: This variety differs from var. togashiana by ascomata characters, see below. 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: Pterostyrax hispidus Siebold & Zucc.; Pterostyrax, Styracaceae.
Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered, .08-.09 mm in diam.. Margin: External filaments present (width gradually decreasing from base to top); circinate, 1-2 µm long, 3.5-8 µm in diameter, hyaline or pigmented (sometimes faintly coloured at the base), numerous, 15-25 per mm², growing between the lower and upper hald of the ascocarp, stiff and straight (regular), smooth or rough, thin or thick (towards the base), not ramified, aseptate or septate (0-1(-2)-septate).
Asci: 3-7 asci per ascocarp, not stipitate or indistinctly stipitate, 40-60 µm long, 30-45 µm wide; dehiscence unitunicate.
Ascospores: c. 4 to c. 8 per ascus, spores 3-5 per ascus, subglobose, ellipsoid, or ovoid, 15-24 µm long, 9.5-14 µm wide; septa absent.
(report generated 04.Okt.2007)
In case that additional characters and states are required to be included in this data set, consult the LIAS Instructions to Participants and follow the procedures described there.