Puccinia sorghi Schweinitz, 1834

on Oxalis

gall

Aecia yellow, cupulate, generally hypophyllous, in circular groups around the spermogonia.

spermogonia, aecia

Oxalidaceae, narrowly monophagous

Oxalis corniculata, fontana, stricta.

Not on white-flowering species.


on Zea

Puccinia sorghi on Zea mays

Zea mays, Hungary, Kimle, 19.viii.2018 © László Érsek

Puccinia sorghi: uredinium on Zea mays

uredinium

Puccinia sorghi: telium on Zea mays

telium, still covered by the epidermis

Puccinia sorghi: telium on Zea mays

telium, now naked

Puccinia sorghi: urediniospores, teliospores

Zea mays, uit González Fragoso (1924a): urediniospores, teliospores

gall

Uredinia and telia amphigenous, in large groups, cinnamon brown and dark brown, respectively. Teliospores two-celled, the top cell distally with a thickened wall, on a persistent pedicel, up to over twice as long as the spore.

uredinia, telia

Poaceae, monophagous

Euchlaena mexicana; Zea mays, perennis.

synonyms

Puccinia maydis Bérenger, 1844.

references

Alaei, De Backer, Nuytinck, Maes, Höfte & Heungens (2009a), Beenken & Senn-Irlet (2016a), Brandenburger (1985a), Buhr (1965a), Gäumann (1959a), Gjaerum & Dennis (1976a), González Fragoso (1922a, 1924a), Henderson (2000a, 2004a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Llorens i Villagrasa (1984a), Losa España (1942a), Melgarejo Nárdiz, García-Jiménez, Jordá Gutiérrez ao (2010a), Melzer, Pittoni, Poelt & Scheuer (1984a), Negrean & Anastasiu (2006a), Poelt & Zwetko (1997a), Savchenko, Heluta, Wasser & Nevo (2014d), Scheuer & Bechter (2012a), Termorshuizen & Swertz (2011a), Unamuno (1941b), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a).

mod 3.ix.2018