Primrose Rust - Puccinia primulae

The rust fungus Puccinia primulae affects the leaves of Primrose causing slightly thickened pale yellow blotches on the leaves, bearing aecia.  There is no host alternation.  Rust-coloured uredinia and dark brown telia are present later.

Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

It seems to be widespread in Britain.

Status in Leicestershire and Rutland not known.