Phragmidium andersonii Shear, 1902

on Dasiphora

gall

no alternation of host plant. Aecia hypophyllous, orange, without a peridium but surrounded by some paraphyses. Uredinia like the aecia but smaller, surrounded by numerous paraphyses. Teliospores long pedicellate, dark brown, transversely divided into c. 3-5 cells, top cell tapering into a short apiculus; pedicel colourless, persistent, strongly hygroscopic.

host plants

Rosaceae, monophagous

Dasiphora fruticosa (= Potentilla fruticosa).

references

Gäumann (1959a), Helfer (2005a), Klenke & Scholler (2015a).

mod 15.xii.2019