Great Lettuce - Lactuca virosa
Tall plant to 2 metres, with stems often prickly below and often tinged maroon Upper leaves horizontal, finely prickly along the mid-rib beneath. Flowerheads in a pyramidal panicle. Achenes maroon to blackish.
Lactuca serriola (Prickly Lettuce)
Leaves very variable, but more often lobed, and usually maroon tinged; stem and prickly midribs also tinged maroon. Achenes maroon to blackish
The County Recorder has asked for a specimen of this plant to be retained for verification. Photos showing stems, leaf midribs and achenes - cannot be verified from flowers only
Disturbed ground, roadside verges, waste places & banks of streams.
July to September.
Annual or biennial.
Widespread in central and south-eastern England, scarcer elsewhere in Britain.
Infrequent but perhaps increasing in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 14 of the 617 tetrads.
Leicestershire & Rutland Map
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