Uromyces geranii (de Candolle) Otth & Wartmann, 1847

on Erodium, Geranium

Uromyces geranii: telia on Geranium pratense

Geranium pratense, Germany, Dinkelsbühl: telia; © Arnold Grosscurt

Uromyces geranii: telia on Geranium pratense

detail

Uromyces geranii: telia on Geranium sp.

Geranium spec., Amstelveen, Thijssepark: telia (and, difficult to find, a tiny uredinium here and there)

Uromyces geranii: urediniosporeUromyces geranii: urediniospore

twice the same urediniospore

Uromyces geranii: teliospores

teliospores

Uromyces geranii on Geraninum spec. cult.

Geranium spec. (cult.), Belgium, prov. Limburg, Hasselt, Domein Kiewit © Carina Van Steenwinkel

Uromyces geranii on Geraninum spec. cult.

same leaf, underside

Uromyces geranii: urediniospores

urediniospores

Uromyces geranii: urediniospores

urediniospores, trapped in an air bubble, making the spinulation better visible

Uromyces geranii: urediniospores and teliospores

urediniosporen en teliosporen

gall

No host plant alternation. Spermogonia amphigenous, orange, darkening later. Aecia orange, at first wart-like, finally dish-shaped, on galled spots of the leaf underside and on the petioles. Uredinia and telia hypophyllous, dispersed over the leaf. Uredinia light brown; spores spinulose, 19-25 x 21-33 µm, 1(-2) germination pores (under the pore the spinulation is weak or absent). Telia dark brown; spores 1-celled, smooth, 15-33 x 15-40 µm; pedicel short, hyaline, deciduous.

hostplants

Geraniaceae, oligophagous

Erodium cicutarium; Geranium albanum, albiflorum, argenteum, asphodeloides, atlanticum, bohemicum, cinereum, collinum, columbinum, dissectum, endressii, ibericum, lucidum, maculatum, molle, nepalense, nodosum, palustre, phaeum, pratense, pseudosibiricum, pusillum, pyrenaicum, reflexum, rivulare, robertianum, rotundifolium, sanguineum, sibiricum, sylvaticum, wilfordii.

synonyms

Uromyces kochianus Gäumann, 1933.

references

Blumer (1946a), Brandenburger (1985a), Buhr (1964b), Gäumann (1959a), Gjaerum & Dennis (1976a), González-Fragoso (1925a), Heluta, Hayova, Tykhonenko ao (2010a), Henderson (2004a), Jage, Kruse, Kummer ao (2013a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), Ludwig (1974a), Marková & Urban (1988a), Mayor (1971a), Mułenko, Sałata & Wołczańska (1995a), Negrean (1996b), Pellicier (2001a), Preece & Hick (1994a), Redfern & Shirley (2011a), Roskam (2009a), Ruszkiewicz-Michalska (2006a), Scheuer & Bechter (2012a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Unamuno (1941a,b), Vanderweyen & Fraiture (2008a), Woods, Stringer, Evans & Chater (2015a).

27/05/2017

pub 27.v.2017 · mod 5.viii.2017