to LIAS


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



Erysiphe vernoniae (Viégas) U. Braun & S. Takam. [2001486]

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-07-28). Data set reviewer(s): Schubert K. (06-03-06); revised.

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

Type Information: Basionym: Uncinula vernoniae Viégas. Type: Uncinula vernoniae Viégas.

Taxonomic Literature: Taxonomic notes: +ascocarp outer wall cells obscure;. Braun U., Beih. Nova Hedwigia 89: 1-700 [478-479] (1987).

Biogeography: Continent: Southern America (Brazil, only known from the type collection).

Ecology: Biotroph; phytopathogenic; growing on leaves, epiphyllous. Host or Phorophyte Taxonomy: Vernonia polyanthus Less.; Vernonia, Compositae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, .14-.185 mm in diam.. Margin: External filaments present; circinate (later; earlier hooked), .5 µm long, 4-6.5-(8) µm in diameter, hyaline, numerous, 60-100 per mm², growing between the lower and upper hald of the ascocarp or on the upper half of the ascocarp (somewhat in the), smooth, not ramified, aseptate.

Asci: 6-8 asci per ascocarp, 40-50 µm long, 30 µm wide; dehiscence unitunicate (immature).

Conidiomata: Present; hyphomycetous.

Conidiophores: Pseudoidium-type; not branched. Conidium Formation: Conidiogenous cells single. Conidia: Ellipsoid; macroconidial, not branched, 32-40 µm long, 16-20 µm wide; aseptate.

(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.

LIAS Home