Puccinia thlaspeos Ficinus & Schubert, 1823
on Brassicaceae
Noccaea caerulescens, Belgium, prov. Liège, Plombières, Haldes calaminaires de Plombières, 1.v.2019 © Carina Van Steenwinkel
infected plant have a pale colour and do not come into flowering
telia at the undersides of the leaves
detail
teliospores
the spores germinate almost immediately, forming a basidium
at low magnification the early germination is recognisable by the greyish aspect of the telia
Thlaspi stenopterum, from Unamuno (1941a): infected plant, underside of a leaf with telia, teliospores (some unicellular, other germinating)
gall
No host plant alternation; only telia. The fungus is systemic; infected plants clearly appear diseased. The pulvinate telia, brown at first, greyish later, cover the entire underside of the leaves. Spores 12-21 x 35-55 µm, mostly two-celled, broad-elliptic, smooth, on a short, persistent pedicel, soon germinating.
host plants
Brassicaceae, oligophagous
Arabidopsis halleri, petraea, thaliana; Arabis alpina, arenicola, ciliata, collina, faub, hirsuta, nordmanniana, petraea, planisiliqua subsp. nemorensis, sagittata; Draba cinerea; Erysimum cheiranthoides, hieracifolium; Isatis tinctoria; Noccaea brachypetala, caerulescens, dacica, kovatsii, montana, perfoliata, praecox, stenoptera, violascens; Sisymbrium; Thlaspi alliaceum, arvense, “bulbosum”.
synonyms
Puccinia holboellii (Hornemann) Rostrup, 1888.
references
Bahçecioğlu & Kabaktepe (2012a, Bahçecioğlu, Kabaktepe & Yildiz (2006a), Brandenburger (1985a), Buhr (1964a, 1965a), Coulianos & Karlsson (2014a), Dauphin & Aniotsbehere (1997a), Dietrich (2013a), Gäumann (1959a), González Fragoso (1924a), Klenke & Scholler (2015a), Kropp, Hansen, Wolf ao (1997a), Poelt & Zwetko (1997a), Roskam (2009a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Unamuno (1941a).