BioImages: The Virtual Field-Guide (UK)

Verbena rigida Spreng. (Slender Vervain)

Date 25 August 2009
OS grid ref SU52
Lat/Lon 51° 0' N, 1° 10' W
Location Vice County: South Hants, VC11, England
Voucher 25/08/2009[D]
(Please quote this in any queries about this record)
Stage or state In flower
Record Summary Deep purple leaf-spots on Slender Vervain leaves
Associated organism: on live leaf of Verbena rigida
Identification Notes: Leaves with deep purple, thickened spots limited by leaf veins; eventually dying and turning borwn. Underside similar but paler.

Distributed like an infection, some plants having the spots and others not.

No fungal infection visible under the microscope.

Images

standard photographs and close-ups standard photographs and close-ups
Thumbnail
Thumbnail

<< Click on a thumbnail to see the preview, then click on that for the large image

Creative Commons Licence
Unless otherwise expressly stated, all original material on the BioImages website by Malcolm Storey is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 2.0 UK: England & Wales Licence.