Peronospora phacae Gäumann, 1923

on Astragalus

gall

upperside of the leaves with paled, slightly embossed patches; at the corresponding underside a greyish purple fungal bloom, consisting of erect, distally strongly branched conidiophores.

hostplants

Fabaceae, monofaag

Astragalus ? cicer, frigidus, onobrychis, penduliflorus.

It is not quite clear which mildew lives on A. cicer; some authors point toß P. astragalina.

references

Brandenburger (1985a), Klenke & Scholler (2015a), Müller & Kokeš (2008a).

05/09/2015

mod 17.vii.2017