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, etc.
Zea mays, Belgium, prov. Antwerp, Laakdal, Trichelbroek, 3.ix.2022 © Carina Van Steenwinkel: yellow leaf spots, with small groups of uredinia (telia were not observed)
uredinium
urediniospores
urediniospores
As was already visible in the picture of the uredinium, small numbers of teliospores are fored in the uredinia
teliospore
Zea mays, Hungary, Kimle, 19.viii.2018 © László Érsek
uredinium
telium, still covered by the epidermis
telium, now naked
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, ao (2009a), Bahçecioğlu & Kabaktepe (2012a), Bahçecioğlu, Kabaktepe & Yildiz (2006a), Beenken & Senn-Irlet (2016a), Beltran Tejera (1976a), Brandenburger (1985a: 326, 828), Buhr (1965a), Gäumann (1959a), Gjaerum & Dennis (1976a), Gjaerum & Sunding (1986a), 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), Savchenko, Wasser, Heluta & Nevo (2019a), Scheuer & Bechter (2012a), Termorshuizen & Swertz (2011a), Unamuno (1941b), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a).