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): Kainz C. (00-07-26). Data set reviewer(s): Schubert K. (06-03-22); revised.

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

Type Information: Basionym: Microsphaera berchemiae Sawada. Type: Microsphaera berchemiae Sawada.

Taxonomic Literature: Taxonomic notes: +ascomata outer wall cells polygonal to irregularly shaped, ca. 10-25 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [240] (1987).

Biogeography: Continent: Asia-Temperate. Country or state(s): Japan (endemic).

Ecology: Biotroph; phytopathogenic; growing on leaves, amphigenous. Host or Phorophyte Taxonomy: Berchemia racemosa Siebold & Zucc.; Berchemia, Rhamnaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups, (.07)-.115-.12 mm in diam.. Margin: External filaments present (straight to curved); recurved, 1.5-2.5 µm long, 8-12 µm in diameter, hyaline or pigmented (yellowish, brown in the lower half (below the septa)), few or numerous, 4-18 per mm², growing between the lower and upper hald of the ascocarp, smooth or verrucose, thin or thick (towards the base), ramified, dichotomously branched (4-6 times, primary branches mostly elongated, often somewhat recurved), septate (1-6-septate).

Asci: 3-7 asci per ascocarp, indistinctly stipitate, 40-60 µm long, 30-45 µm wide; dehiscence unitunicate.

Ascospores: c. 8 per ascus, spores 6-8 per ascus, subglobose, ellipsoid, or ovoid, 14-23 µm long, 9-14 µm wide; septa absent.

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