Pucciniastrum circaeae (Schumacher) Spegazzini, 1888

Fungi, Basidiomycota, Pucciniomycetes, Pucciniales, Pucciniastraceae

on Abies

gall

spermogonia amphigenous on the young needles, honey-coloured, bursting through the epidermis. Aecia hypophyllous, in two rows, c. 1 mm high rods, flesh coloured, later, after release of the spores, white. Aeciospores 14-32 x 11-21 µm, finely verruculose, but with a smooth and thin-walled zone.

spermogonia, aecia

Pinaceae, monophagous

Abies alba.


on Circaea

Pucciniastrum circaeae on leaf of Circaea lutetiana

Circaea lutetiana, Nieuwendam, Baanakkerspark: infested leaf, upperside

Pucciniastrum circaeae uredinia on leaf of Circaea lutetiana

underside

Pucciniastrum circaeae uredinia on leaf of Circaea lutetiana

hypophyllous uredinia

Pucciniastrum circaeae uredinium

the urediniospores are releaved through a central pore

Pucciniastrum circaeae: urediniosporePucciniastrum circaeae: urediniospore

urediniospores

gall

uredinia hypophyllous, on pale areas that may occupy most of the leaf; they are pale yellow, covered by a peridium with a central pore; the peridium cells around the pore are smooth; the spores more or less ovoid, verruculose. The yellow teliospores are formed in groups of 2-4 in the epidermis or in deeper layers of the leave’s tissue.

uredinia, telia

Onagraceae, monophagous

Circaea alpina & subsp. imaicola, x intermedia, lutetiana.

references

Brandenburger (1985a: 15, 411), Doppelbaur (1968a), Ellis & Ellis (1997a), Gäumann (1959a), González-Fragoso (1925a), Hafellner (1980a), Henderson (2000a, 2004a), Jage, Kruse, Kummer ao (2013a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Ludwig (1974a), McTaggart, Geering & Shivas (2014a), Maier, Begerow, Weiß & Oberwinkler (2003a), Ruszkiewicz-Michalska (2006a), Schmid-Heckel (1985a), Wilson & Henderson (1966a), Roskam (2009a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2007a), Woods, Stringer, Evans & Chater (2015a).

25/04/2017

pub 25.v.2017 · mod 28.vi.2017