Urocystis bulbocodii Vánky, 1975

on Colchicum

gall

elongated, low, amphigenous pustular zones, initially lead-coloured until the epidermis ruptures and a black granular-powdery mass of spore balls is released. The spore balls consist of a group of 1-5 spores, for the most part surrounded by a layer of smaller, sterile cells.

hostplants

Colchicaceae, narrowly monophagous

Colchicum bulbocodium (= Bulbocodium vernum).

notes

Only difference with U. colchici is in the slightly larger number of spores in the spore balls.

references

Klenke & Scholler (2015a), Lotze-Engelhard (2010a), Vánky (1994a).

mod 26.vii.2018