Scientific name: Lycopus europaeus L.
Common name: Gypsywort
Description
Habit: Perennial, to 1 m high.
Stems: Erect, square, stiff, nearly hairless.
Leaves: Opposite, very shortly stalked, oblong to lanceolate, partly divided more than halfway to the midrib into pointed lobes.
Flowers: White with few purple dots, weakly zygomorphic, 3-5 mm, stalkless, in dense axillary whorl-like clusters; calyx tubular, of five fused sepals, 5-toothed; corolla tubular, with 4 unequal lobes, one upper and 3 lower; stamens 4, attached to the corolla, usually in two pairs, one longer than the other; ovary superior.
Fruits: A group of 4 1-seeded nutlets.
Habitat: Marshes, lake-margins, riverbanks and ditches.Distribution: Rather rare.
Native status: Native
Of conservation interest: No