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

Erysiphe adunca var. regularis (R. Y. Zheng & G. Q. Chen) U. Braun & S. Takam. [2000006]

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. Taxonomic rank: variety. Synonyms: Uncinula adunca var. regularis (R. Y. Zheng & G. Q. Chen) U. Braun; Erysiphaceae Tul. & C. Tul.; Erysiphales.

Type Information: Basionym: Uncinula regularis R. Y. Zheng & G. Q. Chen. Type: Uncinula regularis R. Y. Zheng & G. Q. Chen.

Taxonomic Literature: Taxonomic notes: This variety differs from var. adunca by ascomata characters, see below. Braun U., Beih. Nova Hedwigia 89: 1-700 [471-474] (1987); Braun U., The powdery mildews (Erysiphales) of Europe. - 1-337. Jena, Stuttgart, New York (1995).

Biogeography: Continent: Asia-Temperate and Europe (scattered, the exact European distribution is unknown). Region(s): China. Country or state(s): Sweden, Austria, Germany, Switzerland (incl. Liechtenstein), and Italy (incl. San Marino & The Vatican City, excl. Sicily, Sardinia).

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Salix wallichiana Anderss.; Salix, Salicaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or gregarious, .095-.17 mm in diam.. Margin: External filaments present (uniformly short); uncinate, circinate, or sub-helicoid, .5-1 µm long, 5-12 µm in diameter, numerous, 35-80 per mm², growing between the lower and upper hald of the ascocarp, not ramified, septate.

Asci: 5-12 asci per ascocarp, indistinctly stipitate, 50-80 µm long, 30-50 µm wide; dehiscence unitunicate.

Ascospores: c. 4 or c. 8 per ascus, spores (3)-4-5-(6) per ascus, ellipsoid or ovoid, 18-25-(27) µm long, 10-16 µm wide; septa absent.

Conidium Formation: Conidiogenous cells single. Conidia: Ellipsoid, ovoid, or cylindrical; 24-35 µm long, 12.5-18 µm wide.

(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.