Erysiphe astragali de Candolle, 1815

on Astragalus

gall

mycelium amphigenous. Appressoria lobed. Conidia solitary, elliptic, without fibrosin bodies. Cleistothecia with 5-14 asci, that contain 3-5 spores. Appendages 5-25, equatorial or a bit above, 2-12 x the diameter; they are thread-like, not septate or with 1-3 septs near the base; often they all point more or less in the same direction; the tips are simple, sometimes with a ± dichotomous branching.

hostplants

Fabaceae, monophagous

Astragalus albicaulis, arenarius, asper, cicer, cornutus, danicus, dasyanthus, depressus, exscapus subsp. pubiflorus, galegiformis, glycyphyllos, hamosus, onobrychis, puberulus, sempervirens & subsp. nevadensis, varius.

synonyms

Microsphaera astragali (de Candolle) Trevisan de Saint-Leon, 1853.

references

Blumer (1946a), Braun (1995a), Braun & Cook (2012a), Bresinsky (2016a), Dynowska, Fiedorowicz & Kubiak (1999a), Jage, Klenke, Kruse ao (2016a), Jage, Klenke & Kummer (2010a), Jage, Kruse, Kummer ao (2013a), Jage, Scholler & Klenke (2010a), Klenke & Scholler (1995a), Korytnianska & Popova (2012a), Kozłowska, Mułenko & Heluta (2015a), Leysen (2013a), Mayor (1973a), Ruszkiewicz-Michalska (2006a), Tóth (1994a).

mod 25.viii.2018