Epilobium Tetragonum, Square-Stalked Willowherb



Common name:
Square-stalked willowherb
Scientific name:
Epilobium tetragonum
Main flower color:
Range:
Wales and the southern half of England
Height:
Up to 100 cm
Habitat:
Damp woodland and grassland, streamsides
Flowers:
Five notched pink petals, five broad, green sepals, (often red along the margin), and a white, club-shaped stigma. The sepals and the particularly long, slender ovary below the hypanthium are covered by short hairs, non-glandular
Fruit:
Narrow pods up to 10 cm long
Leaves:
Narrowly lanceolate, lined by small teeth, on sparsely short-hairy stems which are square in cross-section
Season:
July to September
Rarity:
★★★★★