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Erysiphe cedrelae var. cedrelae (F.L. Tai) U. Braun & S. Takam. [2000014]

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-07-28). Data set reviewer(s): Schubert K. (06-02-28); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: variety. Synonyms: Uncinula cedrelae var. cedrelae F. L. Tai; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Uncinula cedrelae var. cedrelae F. L. Tai. Type: Uncinula cedrelae var. cedrelae F. L. Tai.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells obscure, irregularly polygonal to rounded, ca. 8-20 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [502-504] (1987).

Biogeography: Continent: Asia-Temperate. Region(s): China. Country or state(s): Japan and Korea (North & South).

Ecology: Biotroph; phytopathogenic; growing on leaves, epiphyllous (mostly) or amphigenous. Host or Phorophyte Taxonomy: Cedrela sinensis Juss.; Cedrela, Meliaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups, .095-.165 mm in diam.. Margin: External filaments present (length variable, width subequal throughout or increasing from base to top, apex somewhat enlarged or width subequal, often loosely curved under the circinate part); circinate (closely) or sub-helicoid, (.5)-1-1.5-(2.5) µm long, 6-9-(12) µm in diameter, hyaline or faintly pigmented (sometimes at the base), few or numerous, 6-18 per mm², growing between the lower and upper hald of the ascocarp, flexuose (straight to curved) or stiff and straight, smooth, thin or moderatly thick (towards the base), not ramified, aseptate or septate (1(-2)-septate, rarely aseptate).

Asci: 4-14 asci per ascocarp, not stipitate or indistinctly stipitate, 30-75 µm long, 20-45 µm wide; dehiscence unitunicate.

Ascospores: c. 4 or c. 8 per ascus, spores (4)-6-8 per ascus, ellipsoid or ovoid, 15-24 µm long, 10-14 µm wide; septa absent.

(report generated 04.Okt.2007)

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