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

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (02-09-03). Data set reviewer(s): Schubert K. (06-04-05); not revised.

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

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

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells irregularly polygonal, ca. 6-21.5 µm diam., radiately arranged;. Braun U., Beih. Nova Hedwigia 89: 1-700 [445-446] (1987).

Biogeography: Continent: Asia-Temperate (endemic). Region(s): China. Country or state(s): Tibet-Qinghai.

Ecology: Biotroph; phytopathogenic; growing on leaves, epiphyllous (mostly) or amphigenous. Host or Phorophyte Taxonomy: Acer caudatum Wall.; Acer, Aceraceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups, .14-.2 mm in diam.. Margin: External filaments present ((60-)100-140(-170) µm long, branchlets narrowed upwards, mostly somewhat undulate or subnodulose); uncinate, circinate, or sub-helicoid, .5-.75 µm long, 7-10-(12.5) µm in diameter, hyaline, numerous, (28)-40-72 per mm², growing on the upper half of the ascocarp, smooth or rough (at the base), thick (throughout, usually coalescent), not ramified or ramified, dichotomously branched (1-2 times, branched from the middle of the stalk upwards, simple and branched appendages mixed, straight to curved), aseptate.

Asci: 8-17-(21) asci per ascocarp, not stipitate or indistinctly stipitate, 75-105 µm long, 33-50 µm wide; dehiscence unitunicate.

Ascospores: c. 8 per ascus, spores (7)-8 per ascus, ellipsoid or ovoid, 20-25.5 µm long, 12.5-16 µm wide; septa absent.

(report generated 04.Okt.2007)