Puccinia thesii (Desvaux) Chaillet, 1830

on Thesium

Puccinia thesii: aecia on Thesium humifusum

Thesium humifusum, Engeland, Vice County: South Wiltshire, VC8: aecia © Malcolm Storey, BioImages

Puccinia thesii: aecia on Thesium humifusum

fresh aecia (the peridia soon break away and disappear)

Puccinia thesii: teliospores

Thesium humifusum, uit González Fragoso (1924a): teliospores

gall

No host plant alternation. Spermogonia, aecia, uredinia, and telia amphigenous. Aecia cupulate. Uredinia brown; spores with 4-5 dispersed pores. Telia black, compact, mainly on the stems; spores two-celled, smooth; pedicel persistent, yellowish, up to 3 x the length of the spore.

hostplants

Santalaceae, monophagous

Thesium alpinum, “arvense”, divaricatum, dollineri subsp. simplex, ebracteatum, humifusum, humile, kernerianum, linophyllon & subsp. montanum, longifolium, pyrenaicum, ramosum.

references

Brandenburger (1985a: 80), Buhr (1965a), Ellis & Ellis (1997a), Gäumann (1959a), González Fragoso (1924a), Heluta, Hayova, Tykhonenko ao (2010a), Henderson (2000a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (2015a), Poelt & Zwetko (1997a), Savchenko, Heluta, Wasser & Nevo (2014d), Termorshuizen & Swertz (2011a), Tóth (1994a), Unamuno (1941a), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a).

30/05/2017

mod 21.xi.2017