Erysiphe kusanoi var. aphananthes (U. Braun) U. Braun & S. Takam. [2019961]
Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-07-28). Data set reviewer(s): Schubert K. (06-03-01); revised.
Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: variety. Erysiphaceae Tul. & C. Tul.; Erysiphales.
Type Information: Basionym: Uncinula kusanoi var. aphananthes U. Braun. Type: Uncinula kusanoi var. aphananthes U. Braun.
Taxonomic Literature: Taxonomic notes: This variety differs from the other varieties by ascomata characters, see below.+ascomata outer wall cells 10-25 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [496-499] (1987).
Biogeography: Continent: Asia-Temperate. Country or state(s): Japan (endemic).
Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Aphananthe aspera Planch.; Aphananthe, Ulmaceae.
Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups, .075-.1 mm in diam.. Margin: External filaments present (width increasing upwards); circinate or sub-helicoid, .5-1.5 µm long, 5-7 µm in diameter, few or numerous, 6-25 per mm², growing between the lower and upper hald of the ascocarp, flexuose (mostly somewhat) or stiff and straight, smooth or rough, thin or thick (towards the base), not ramified, aseptate.
Asci: 4-6 asci per ascocarp, indistinctly stipitate, 30-50 µm long, 25-40 µm wide; dehiscence unitunicate.
Ascospores: c. 4 or c. 8 per ascus, spores 4-6 per ascus, subglobose, ellipsoid, or ovoid, 16-22 µm long, 11-15 µm wide; septa absent.
(report generated 04.Okt.2007)
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