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Oidium caesalpiniacearum Hosag. & U. Braun

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-08-01). Data set reviewer(s): Schubert K. (06-07-24); revised.

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

Type Information: Basionym: Oidium caesalpiniacearum Hosag. & U. Braun. Type: Oidium caesalpiniacearum Hosag. & U. Braun.

Taxonomic Literature: Taxonomic notes: +hyphae septate, ca. 2.5-8 µm wide; +appressoria nipple-shaped or only slightly lobed, infected parts of the leaves characteristically discoloured, yellowish, later brownish;+conidiophores foot-cells cylindric, followed by 1-2(-3) shorter cells;. Braun U., Beih. Nova Hedwigia 89: 1-700 [602] (1987).

Biogeography: Continent: Asia-Tropical. Country or state(s): India.

Ecology: Biotroph; phytopathogenic; growing on leaves, hypophyllous (distinct patches, occasionally somewhat effuse, white, thin). Host or Phorophyte Taxonomy: Bauhinia sp.; Bauhinia, Leguminosae-Papilionoideae.

Reproduction Strategy: Only known as sterile, asexually reproducing form.

Conidiomata: Present; hyphomycetous.

Conidiophores: Pseudoidium-type; not branched (erect); basal cells 30-55 µm long, 5.5-8 µm wide. Conidium Formation: Conidiogenous cells single or in chains (occasionally in very short chains). Conidia: Ellipsoid, very rarely ovoid, doliiform (rarely), or cylindrical; macroconidial, not branched, 24-43 µm long, 11-20 µm wide; aseptate.

(report generated 04.Okt.2007)

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