Podosphaera paeoniae (Z. Y. Zhao) U. Braun & S. Takam.

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. Data set reviewer(s): Schubert K. (06-05-17); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Synonyms: Sphaerotheca paeoniae Z. Y. Zhao; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Sphaerotheca paeoniae Z. Y. Zhao.

Taxonomic Literature: Taxonomic notes: +ascom. outer wall cells irregularly polygonal, small, ca. 7.5-18 µm diam., occasionally up to 30 µm;. Braun U., Beih. Nova Hedwigia 89: 1-700 [122] (1987).

Biogeography: Continent: Asia-Temperate. Region(s): China (endemic).

Ecology: Biotroph; phytopathogenic; growing on stems or leaves, amphigenous. Host or Phorophyte Taxonomy: Paeonia hybrida Pall.; Paeonia, Paeoniaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered, (.06)-.066-.09 mm in diam.. Margin: External filaments present; mycelioid, straight, 1.5-5 µm long, hyaline (brown in the lower part, paler upwards), few, 7-9 per mm², growing all across the lower half of the ascocarp, not ramified, septate.

Asci: 1 asci per ascocarp, clavate, not stipitate, 66-84-(99) µm long, 57-66 µm wide; dehiscence unitunicate.

Ascospores: c. 8 per ascus, spores 8 per ascus, ellipsoid (-oblong), 18-27-(30) µm long, 12-18 µm wide; septa absent.

(report generated 04.Okt.2007)