West Highland Flora

Peppermint


Mentha x piperita

Includes M x dumetorum.  Is the hybrid between M aquatica and M spicata.  Could occur either as an escape from cultivation, or as the offspring of cultivated M spicata with native M aquatica.

Mentha x piperita

Photo Carl Farmer
11 Aug 2003 Broadford, Skye

Occasional on damp waste ground

Leaves c 4-8 cm long, flower-spike c 4-6 cm long, 12-25 mm across

ID: Leaves distinctly stalked, over twice as long as broad.  Flowers in cylindrical or narrowly conical terminal heads, not rounded heads like Water Mint.

Other features: Stems often purplish.  As a sterile hybrid it does not form seeds.  Calyx tube hairless or sparsely hairy (teeth may be very hairy).  Stamens never protruding from flower-tube (style does).

 

Mentha x piperita

Photo Carl Farmer
11 Aug 2003 Broadford, Skye

 

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