Epilobium tetragonum L., 1753

Common names

🇬🇧 Square-stalked Willowherb
🇫🇷 Épilobe à tige carrée, Épilobe à quatre angles, Épilobe tétragone

Taxonomy

Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Superrosids
Clade: Rosids
Clade: Malvids
Order: Myrtales
Family: Onagraceae
Subfamily: Onagroideae
Tribe: Epilobieae
Genus: Epilobium
Species: Epilobium tetragonum

Presence

Present.

Conservation status

Red List (Metropolitan France): LC Least Concern

Notes

Possible confusion with many species of the genus Epilobium. The pink flowers, the club-shaped stigma, the sessile leaves, and the square stem allow for the identification of E. tetragonum.

Photographs

img/epilobium-tetragonum.webp — *Epilobium tetragonum*

img/epilobium-tetragonum-2.webp — *Epilobium tetragonum*

img/epilobium-tetragonum-3.webp — *Epilobium tetragonum*

img/epilobium-tetragonum-4.webp — *Epilobium tetragonum* - Cauline leaf

Sources

Tison, J.M., & de Foucault, B. (2014). Flora Gallica : Flore de France (p. 845). Biotope.