Uromyces heliotropii Sredinski, 1896

on Heliotropium


No host plant alternation. Spermogonia amphigenous, yellowish brown at first, later darker. Aecia hypophyllous, in groups on yellowed spots; peridium soon vanishing. Uredinia on yellow spots. Teliospores often formed already in the uredinia; they are one-celled (sometimes two-celled, the basal cell then being much smaller than the top one), with a low apical papilla.


Boraginaceae, monophagous

Heliotropium ellipticum, europaeum, rotundifolium.


Brandenburger (1985a), Gäumann (1959a), Klenke & Scholler (2015a), Savchenko, Heluta, Wasser & Nevo (2014e), Termorshuizen & Swertz (2011a).


mod 22.xi.2017