Puccinia deschampsiae Arthur, 1910

on Aira, Deschampsia

gall

No host plant alternation; no spermatia or aecia. Uredinia and telia epiphyllous; uredinia often on hypophyllous violet leaf spots. Uredinia yellow, with many paraphyses; these clublike, with a homogenous wall thickness. Urediniospores 18-26 x 24-32 µm, with 3-5 germination pores. Telia (if at all present) black, tiny, without paraphyses; spores 2-celled, on a short, persistent pedicel.

hostplants

Poaceae, narrowly oligophagous

Aira elegantissima; Deschampsia cespitosa.

synonyms

Puccinia airae (Lagerheim) Mayor & Cruchet, 1917.

inquilines

the uredinia ara parasitised by Eudarluca caricis.

references

Ellis & Ellis (1997a), Gäumann (1959a), González Fragoso (1924a), Hafellner (1980a), Klenke & Scholler (2015a), Poelt & Zwetko (1997a), Termorshuizen & Swertz (2011a), Unamuno (1941a), Wilson & Henderson (1966a).

29/04/2017

mod 20.xi.2017