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Pictorial guide to the flora of the British Isles
Synonym  | Veronica maritima L.
Veronica longifolia has tall, dense spikes of blue flowers, like Veronica spicata. 
Oxford (VC23: Oxfordshire); 2014-07-23  | 
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Unlike Veronica spicata, the leaves of Veronica longifolia are widest near the base, hairless and with pointed teeth. 
Oxford (VC23: Oxfordshire); 2014-07-23  | 
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Inflorescences 
Oxford (VC23: Oxfordshire); 2014-07-23  | 
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All images copyright © Christopher J. Dixon unless otherwise indicated. 
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