BioImages: The Virtual Field-Guide (UK)
Pucciniastrum epilobii G.H. Otth (Willowherb Rust)
||27 June 2007
|OS grid ref
||51° 20' N, 1° 10' W
||Vice County: Berks, VC22, England
(Please quote this in any queries about this record)
|Stage or state
||on willow herb
||on underside live leaf of Epilobium
||Uredia punctiform with apical pore, hypophyllous, in patches, eventually covering much of leaf underside; occasionally in lines along base of inflorescence branches. Leaf upper surface with faded yellowish, unbounded spots above.
Uredospores: echinulate, clavate to amygdaliform or ellipsoid, 18-26/13-14µm, with yellow granular contents, hyaline in some uredia.
Telia: pale brown, subepidermal in brown spots.