Podosphaera delphinii (Karsten) Braun & Takamatsu, 2000

on Ranunculaceae

gall

Conidia elliptic, formed in chains, with fibrosin bodies. Cleistothecia mostly in groups, containing a single ascus with 6-8 spores. Usually less than 10, eventually brown, septate appendages, 1-4 times the cleistothecial diameter.

The ascus apically has a small window, the “oculus”, by which the spores are ejected; its diameter is 10-18 µm.

host plants

Ranunculaceae, oligophagous

Adonis vernalis; Consolida ajacis, hispanica, regalis; Delphinium elatum, oxysepalum; Trollius acaulis, altaicus, asiaticus, caucasicus, chinensis, x cultorum, europaeus, ledebourii, pumilus, riederianus, sibiricus.

synonyms

Sphaerotheca delphinii (Karsten) Blumer, 1933.

references

Braun (1995a), Braun & Cook (2012a), Klenke & Scholler (2015a).

mod 2.vii.2019