Epilobium palustre, a relatively common species, may be identified by its narrow leaves, cylindrical stems, downy hair covering, and flowers with a club-shaped stigma.
Main flower color:
All of the British Isles
Up to 50 cm
Damp woodland and grassland, especially on acidic soils
Four downy green sepals and four pale pink petals, shallowly notched, and crossed by purple veins. At the centre are eight stamens and a club-shaped stigma
Opposite, linear to narrowly lanceolate (less than 10 mm wide), with a prominent midvein. On slender, downy stems, cylindrical in cross-section
July to August