Puccinia hysterium Röhling, 1813

on Geropogon, Tragopogon

gall

No host plant alternation. Spermogonia 90-140 µm, epiphyllous, also on the stem. Aecia largely hypophyllous, cupulate with white peridium and yellow spore mass, on clearly galled spots. No uredinia. Telia amphigenous, also on the stems, long covered by the epidermis, eventually pulvinate, pulverulent, dark brown. Spores two-celled, verrucose, on a short, deciduous pedicel. Infected shoots are clearly pale and disfigured.

hostplants

Asteraceae, narrowly oligophagous

Geropogon hybridus; Tragopogon buphthalmoides, dubius & subsp. major, floccosus, latifolius, porrifolius, pratensis & subsp. minor + orientalis.

synonyms

Puccinia tragopogonis (Persoon) Corda, 1842.

references

Brandenburger (1985a: 697), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Ellis & Ellis (1997a), Gäuman (1959a), Gjærum & Lye (2014a), González Fragoso (1924a), Henderson (2000a, 2004a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Losa España (1942a), Poelt & Zwetko (1997a), Redfern & Shirley (2011a), Roskam (2009a), Termorshuizen & Swertz (2011a), Tomasi (2014a), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).

11/01/2017

mod 20.xi.2017