BioImages: The Virtual Field-Guide (UK)
Pucciniastrum circaeae (Schumach.) Speg. (a rust fungus)
||7 July 2008
|OS grid ref
||53° 20' N, 1° 30' W
||Vice County: South-west Yorks, VC63, England
(Please quote this in any queries about this record)
|Stage or state
||On Enchanter's Nightshade leaves, causing necrotic spots
||on live leaf of Circaea lutetiana
||Hypophyllous pustulate uredia covering large areas of the leaf underside, including under lesions.
Lesions 3.5-10mm diam., limited by veins. Above: papery, pale greenish-brown, with a small bump above each uredium, lacking border. Below: similar but with pustulate uredia growing more strongly towards edge of spot. Veins darkening.
Leaves eventually yellow and with extensive pale brown blotches.