Puccinia obscura Schröter, 1877

on Bellis

Puccinia obscura: aecia on Bellis perennis

Bellis perennis, Dronten © Arnold Grosscurt: aecia-covered plant

Puccinia obscura: aecia on Bellis perennis

group of aecia

Puccinia obscura on Bellis perennis cv hortensis

Bellis perennis cv. hortensis, Hungary, Budapest © László Érsek

Puccinia obscura on Bellis perennis cv hortensis: aecia

aecia mainly hypophyllous, in circles

Puccinia obscura on Bellis perennis cv hortensis: aecia

same leaf, underside; the galling is obvious

Puccinia obscura: aecia

aecia with peridium clearly curved outwards and frayed

gall

Spermogonia amphigenous, en compact circular groups. Aecia amphigenous, in dense clusters; the leaf here is discoloured and somewhat swollen.

spermogonia, aecia

Asteraceae, monophagous

Bellis annua, perennis, sylvestris.


on Luzula

Puccinia obscura: uredinia on Luzula campestris

Luzula campestris, Belgium, prov. Antwerp, Laakdal, Eindhoutberg © Carina Van Steenwinkel

Puccinia obscura: uredinia on Luzula campestris

detail

Puccinia obscura: urediniospores

urediniospoes

Puccinia obscura: teliopores

Luzula lactea, from González Fragoso (1924a): teliosporen

gall

uredinia and telia mainly hypophyllous, on discoloured spots; uredinia light brown, telia dark brown (telia are rarely seen). Urediniospores spinulose, with two germination pores, each one surrounded by a smooth zone. Teliospores 2-celled; apical part of top cell with strongly thickened wall; spores on a persistent pedicel of c. 30 µm.

uredinia, telia

Juncaceae, monophagous

Luzula campestris, forsteri, lactea, luzulina, luzuloides, multiflora, nivea, nodulosa, pilosa, spicata, sudetica, sylvatica.

synonyms

Puccinia luzulae-maximae, Dietel, 1919.

references

Alaei, De Backer, Nuytinck ao (2009a), Blumer (1946a), Buhr (1964b), Dietrich (2016b), Doppelbaur & Doppelbaur (1968a, 1973a), Ellis & Ellis (1997a), Gäumann (1959a), Gjaerum (1987a), González Fragoso (1924a), Henderson (2000a, 2004a), Jage, Klenke, Kruse ao (2016a), Jage, Kruse, Kummer ao (2013a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), Losa España (1944a), Maier, Wingfield, Mennicken & Wingfield (2007a), Maire (1943a), Mayor (1970a), Melzer, Pittoni, Poelt & Scheuer (1984a), Negrean & Denchev (2000a), Poelt & Zwetko (1997a), Redfern & Shirley (2011a), Ruszkiewicz-Michalska (2006a), Schmid-Heckel (1985a), Scholler (1997a), Termorshuizen & Swertz (2011a) Tóth (1994a), Unamuno (1941a), Weber, Webster & Engel (2003a), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).

27/05/2017

pub 27.v.2017 · mod 11.viii.2017