Peronospora astragali-purpurei Mayor & Viennot-Bourgin, 1949

on Astragalus

gall

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

hostplants

Fabaceae, narrowly monofaag

Astragalus hypoglottis (= purpureus).

references

Brandenburger (1985a), Klenke & Scholler (2015a).

mod 27.viii.2017