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

The description has been generated directly from a database. In cases of errors and insufficiencies consult the corresponding LIAS data entry and revision forms to make the necessary modifications. Changes will appear in the subsequent update of data entry forms and natural language descriptions. [To verify the actual status of the pages, select the reload frame function in the context menu!]
These pages are XHTML compatible designed. May be that problems arise with older web browser versions.

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Schubert K. @EXCL@ Kainz C. (06-03-20).

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

Type Information: Basionym: Erysiphe geranii Y. Nomura. Type: Erysiphe geranii Y. Nomura.

Taxonomic Literature: Taxonomic notes: + cleistothecia: cellulae peridii irregulariter angulatae, 12,5-22,5 × 10-20 µm. Nomura Y., Taxonomical study of Erysiphaceae of Japan. - 1-281 [217-219]. Tokyo (1997).

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Geranium yezoense Franch. & Sav. var. yezoense & var. nipponicum Nakai; Geranium, Geraniaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid (atro-brunnea), orbicular (globosa vel spheroidea), scattered or in loose groups, .095-.145 mm in diam.. Margin: External filaments present; mycelioid, straight (apicem versus angustatae, prope basim leviter dilatatae), 150-500 µm long, 2.5-8.5 µm in diameter, hyaline or pigmented (basim versus sub-brunneae), numerous, 20-50 per mm², growing at the ascocarp base, thin, not ramified or ramified, irregular (1-2 times), aseptate or septate (0-8-septatae).

Asci: (6)-8-18 asci per ascocarp, indistinctly stipitate, 45-68 µm long, 17-30 µm wide; dehiscence unitunicate (ascosporae non-maturae in foliis vivis in annum).

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.

LIAS Home