Plant Parasites of Europe

leafminers, galls and fungi

Urocystis jaapiana

Urocystis jaapiana Saccardo, 1915

on Ruscus


extensive swellings of the often disfigured stems; when they split open a black, granular-powdery mass of spore balls is released. A spore ball consists of 1-4 spores, completely surrounded by a layer of sterile cells.

host plants

Asparagaceae, monophagous

Ruscus aculeatus.


Tuburcinia jaapiana (Saccardo) Liro, 1922.


Almaraz (1998a), Brandenburger (1985a: 727), Dauphin & Aniotsbehere (1997a), Klenke & Scholler (2015a), Vánky (1994a).

Last modified 5.xii.2022