BioImages: The Virtual Field-Guide (UK)

Pucciniastrum circaeae (Schumach.) Speg. (a rust fungus)

Date 7 July 2008
OS grid ref SK38
Lat/Lon 53° 20' N, 1° 30' W
Location Vice County: South-west Yorks, VC63, England
Voucher 07/07/2008[A]
(Please quote this in any queries about this record)
Stage or state Uredia (II)
Record Summary On Enchanter's Nightshade leaves, causing necrotic spots
Associated organism: on live leaf of Circaea lutetiana
Identification Notes: 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.

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