Mentha L. >

Stamens 4. Fragrant herbs Mentha
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Flowers in cymes forming dense, terminal, cylindrical or globose, spike-like thyrses. Branches often purplish
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Flowers in elongated spike-like thyrses
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Leaves with a slightly pubescent petiole mostly at least 4 mm long, lanceolate to narrow-elliptic, up to 6 cm long, serrate. Corolla dark lilac. Rhizomatous herb with characteristic peppermint scent. Coast. Damp places. Introd. from Europe. Fl. summer–autumn. Peppermint m. piperitapiperita