Whorled Mint - Mentha arvensis x aquatica = M. x verticillata
This is a natural hybrid between Corn Mint (M. arvensis) and Water Mint (M. aquatica) it has whorls of mauve flowers and may have either flowers or leaves at the top of the stem. Leaves are stalked, toothed and hairy. It is a taller plant than Corn Mint.
other mints, including hybrids and garden varieties
The County Recorder has asked for a specimen of this plant to be retained for verification
Damp grassland, river banks and water margins.
Flowering July to October.
Perennial. Sterile hybrid, spreads vegetatively by underground rhizomes.
Widespread in much of Britain except the far north.
Scarce or under recorded in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 12 of the 617 tetrads.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015