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

Erysiphe epimedii (F. L. Tai) R. Y. Zheng & G. Q. Chen var. epimedii

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. Data set reviewer(s): Schubert K. (06-03-27); revised.

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

Type Information: Basionym: Erysiphe polygoni var. epimedii F. L. Tai. Type: Erysiphe polygoni var. epimedii F. L. Tai.

Taxonomic Literature: Taxonomic notes: +ascocarp outer wall cells irregularly polygonal, 7-20 µm diam.;. Braun U., Beih. Nova Hedwigia 89: 1-700 [225-226] (1987).

Biogeography: Continent: Asia-Temperate. Region(s): China (only known from the type collection).

Ecology: Biotroph; phytopathogenic; growing on leaves, hypophyllous. Host or Phorophyte Taxonomy: Epimedium brevicornum Maxim.; Epimedium, Berberidaceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Cleistothecioid, orbicular, forming independently from the host thallus or mycelium, scattered or in loose groups, .102-.135-(.16) mm in diam.. Margin: External filaments present (curved to substraight, length variable, long and short ones mixed; (48-)100-510 µm long, width subuniform throughout or broader below); straight, (.5)-1-4-(5) µm long, (2.5)-5-7.5 µm in diameter, pigmented (yellowish, sometimes brownish below), numerous, growing all across the lower half of the ascocarp, stiff and straight (substraight to curved), verrucose, thin, not ramified, aseptate.

Asci: 7-12-(15) asci per ascocarp, not stipitate or indistinctly stipitate, 50-80 µm long, 30-45 µm wide; dehiscence unitunicate (wall verrucose).

Ascospores: c. 4 to c. 8 per ascus, spores 4-6-(7) per ascus, more or less ellipsoid (rarely sole-shaped), (18)-20-30.5 µm long, (9)-10-13 µm wide; septa absent; wall pale brown (yellowish).

(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.