Puccinia helianthi Schweinitz, 1822
on Helianthus, Iva, Xanthium
Helianthus annuus, Hungary, Mosonmagyaróvár, 12.viii.2018 © László Érsek
underside of an infected leaf
uredinia
a single uredinium
telia
a single telium
Helianthus annuus, Nieuwendam: uredinium and telium
urediniospore
teliospore
gall
No host plant alternation. Aecia, uredinia and telia mostly hypophyllous. Aecia cupulate. Uredinia light brown, telia dark brown. Urediniospores with 2 germination pores. Teliospores two-celled on a persistent pedicel of up to 120 µm.
host plants
Asteraceae, narrowly oligophagous
Helianthus annuus, debilis subsp. cucumerifolius, tuberosus; Iva xanthifolia; Xanthium strumarium.
synonyms
Puccinia xanthifoliae Ellis & Everhart, 1891 (Baxter, Tykhonenko ao).
references
Bahçecioğlu & Kabaktepe (2012a), Bahçecioğlu, Kabaktepe & Yildiz (2006a), Baxter (1958a), Beenken & Senn-Irlet (2016a), Brandenburger (1985a: 626), Buhr (1965a), Doppelbaur & Doppelbaur (1968a), Gäumann (1959a), González Fragoso (1924a), Henderson (2000a), Klenke & Scholler (2015a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2019a), Maier, Wingfield, Mennicken & Wingfield (2007a), Negrean & Anastasiu (2006a), Poelt & Zwetko (1991a, 1997a), Savchenko, Heluta, Wasser & Nevo (2014d), Savchenko, Wasser, Heluta & Nevo (2019a), Scheuer & Bechter (2012a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Tóth (1994a), Tykhonenko, Aime, Wilson & Korytnianska (2013a), Vanderweyen & Fraiture (2011a), Yohem, Cummins & Gilbertson (1985a).