Botanische Staatssammlung München © 1995–2008
Data remain intellectual property of the data set authors.

Sawadaea aesculi R. Y. Zheng & G. Q. Chen

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-07-27). Data set reviewer(s): Schubert K. (06-04-05); revised.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Sawadaea aesculi R. Y. Zheng & G. Q. Chen. Type: Sawadaea aesculi R. Y. Zheng & G. Q. Chen.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells irregularly polygonal, ca. 6-19 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [446-447] (1987).

Biogeography: Continent: Asia-Temperate. Region(s): China (only known from the type collection).

Ecology: Biotroph; phytopathogenic; growing on leaves, epiphyllous. Host or Phorophyte Taxonomy: Aesculus wilsonii Rehder; Aesculus, Hippocastanaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups, .12-.18 mm in diam.. Margin: External filaments present (ca. 35-80 µm long, branchlets narrowed upwards, ca. 5.1-6.5 µm wide above); uncinate, circinate (close), or sub-helicoid, .25-.7 µm long, 7.6-10.2 µm in diameter, hyaline or faintly pigmented (yellowish), numerous, 17-37 per mm², growing on the upper half of the ascocarp, stiff and straight or geniculate (bent) (rarely; straight to undulate), smooth or rough, thick (throughout, mostly coalescent), not ramified or ramified, dichotomously branched (1-2 times, deeply cleft, branched from the middle of the stalk upwards, simple and branched appendages mixed), septate.

Asci: 6-13 asci per ascocarp, not stipitate or indistinctly stipitate (shortly stalked), 58-80 µm long, 35.5-50 µm wide; dehiscence unitunicate.

Ascospores: c. 8 per ascus, spores 6-8 per ascus, more or less ovoid, 20-23 µm long, 11.5-13.5 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.