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Streptopodium passiflorae (Syd.) Liberato & R. W. Barreto [2019516]

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-08-01). Data set reviewer(s): Schubert K. (06-07-26); revised.

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

Type Information: Basionym: Ovulariopsis passiflorae Syd. Type: Ovulariopsis passiflorae Syd.

Taxonomic Literature: Taxonomic notes: +superficial hyphae branched, septate, hyaline, flexuous, 4-6 µm wide; +mycelial appressoria indistinct; +conidiophores foot-cells mostly straight or sometimes slightly sinuous, very long, followed by 1-2 shorter cells. Braun U., Beih. Nova Hedwigia 89: 1-700 [621] (1987); Liberato J. R. & Barreto, R. W., Mycotaxon 94: 89-92 (2005).

Biogeography: Continent: Southern America. Country or state(s): Venezuela (and S. Domingo).

Ecology: Biotroph; phytopathogenic; growing on leaves (patches, effuse, white, thin), hypophyllous (mostly) or amphigenous. Host or Phorophyte Taxonomy: Passiflora rubra L.; Passiflora, Passifloraceae.

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

Conidiomata: Present; hyphomycetous.

Conidiophores: Streptopodium-type; not branched (produced from the external mycelium, cylindrical, hyaline, smooth, septate, septa in the upper half, up to 264 x (4-)5-7 µm). Conidium Formation: Conidiogenous cells single. Conidia: Ellipsoid, cylindrical, or clavate (oblong-); macroconidial (dimorphic, primary conidia lanceolate, apically pointed, 54-84 x 14-28 µm, secondary conidia cylindrical to clavate with apically rounded, basally subtruncate ends, 50-76 x 16-26 µm, smooth; +one germ tube per conidium, up to 2 x the length of the conidium, with indistinct appressoria, primary conidia with germ tube at the base or at the apex, secondary conidia with germ tube arising from the conidial shoulder), not branched, (45)-50-76 µm long, 16-27 µm wide; aseptate; cell wall hyaline.

(report generated 04.Okt.2007)


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