Urocystis filipendulae (Tulasne) Schröter, 1870

on Filipendula

Filipendula vulgaris, Denmark, Sjaelland, vi.2023 © Sébastien Carbonelle: swollen leaf rachis

ruptured gall, releasing spores

gall

lead-colored, elongated blisters on the petioles and veins that rupture longitudinally, releasing a blackish brown, granular-powdery mass of spore balls. The easily desintegating spore balls consist of 1-8 spores, with only a few peripheral sterile cells.

hostplants

Rosaceae, narrowly monophagous

Filipendula vulgaris.

references

Ainsworth & Sampson (1950a), Almaraz (1998a), Brandenburger (1985a), Buhr (1964b), Klenke & Scholler (2015a), Redfern & Shirley (2011a), Vánky (1994a).