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Erysiphe verniciferae (Henn.) U. Braun & S. Takam. var. verniciferae [2000056]

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 verniciferae Henn. Type: Uncinula verniciferae Henn.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells irregularly polygonal to rounded, ca. 8-25 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [538] (1987).

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

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Rhus vernicifera DC.; Rhus, Anacardiaceae.

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-.15 mm in diam.. Margin: External filaments present (width equal throughout or mostly somewhat increasing upwards (up to 3/4-4/5 of the stalk), but then narrowing towards the tip, some appendages gradually narrowing from base to top); circinate (loosely to closely; tapered towards the tip) or sub-helicoid, .75-2 µm long, 5-8 µm in diameter, hyaline or faintly pigmented (at the base), numerous, (4)-8-40-(50) per mm², stiff and straight (and straight or curved, occasionally geniculate; rather) or geniculate (bent), smooth or rough (below), thin or thick (towards the base), not ramified or ramified (rarely forked), aseptate or septate (0-1(-2)-septate).

Asci: 3-12 asci per ascocarp, not stipitate or indistinctly stipitate, (40)-45-70-(75) µm long, (25)-30-45-(50) µm wide; dehiscence unitunicate.

Ascospores: c. 4 or c. 8 per ascus, spores (4)-6-8 per ascus, ellipsoid or ovoid, 16-28-(31) µm long, (9)-10-14-(17) µm wide; septa absent.

(report generated 04.Okt.2007)

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