Plant Parasites of Europe

leafminers, galls and fungi

Puccinia elymi

Puccinia elymi Westendorp, 1851

on Thalictrum

gall

Aecia yellow, at the underside of the leaf in thickened spots that are purplish brown above, yellow with a brown margin below.

spermogonia, aecia

Ranunculaceae, monophagous

Thalictrum aquilegiifolium, minus.


on Elymus, Hordelymus, Leymus

Puccinia elymi: teliospores

Leymus arenarius, from González-Fragoso (1925a): teliospores

gall

uredinia at the upperside of the leaf, often in lines of c. 3 mm, orange to cinnamon brown; no paraphyses; spores 22-25 x 28-35 µm, wall apically thickened; 8-10 (11) germination pores, each one capped by a low papilla. Telia hypophyllous, grey, covered by the epidermis, surrounded, and divided into compartments, by rows of brown paraphyses. Teliospores (1)3(4)-celled; wall smooth, apically thickened; pedicel brown, persistent, short.

uredinia, telia

Poaceae, narrowly oligophagous

Elymus sibiricus; Hordelymus europaeus; Leymus arenarius, mollis.

synonyms

Rostrupia elymi (Westendorp) Lagerheim, 1889.

references

Buhr (1965a) Dauphin & Aniotsbehere (1997a), Ellis & Ellis (1997a), Gäumann (1959a), González-Fragoso (1925a), Henderson (2000a, 2004a), Klenke & Scholler (2015a), Kruse & Jage (2014a), Scholler, Reinhard & Schubert (1996a), Termorshuizen & Swertz (2011a), Vanderweyen & Fraiture (2011a), Wilson & Henderson (1966a), Woods, Stringer, Evans & Chater (2015a).

22/04/2017

Last modified 20.xi.2017