Genus: Epilobium — willow-herb
To identify species of Epilobium, check for specialized structures produced for over-wintering. These include turions, sobols, and rosettes. Reference: Keating et al. (1982).
Family
Onagraceae (evening-primrose family)
This genus’s species in New England
- Epilobium anagallidifolium
 - Epilobium ciliatum
 - Epilobium coloratum
 - Epilobium hirsutum
 - Epilobium hornemannii
 - Epilobium lactiflorum
 - Epilobium leptophyllum
 - Epilobium palustre
 - Epilobium parviflorum
 - Epilobium strictum
 
Visit this genus in the Dichotomous Key
![Plant form: Epilobium anagallidifolium. ~ By Arthur Haines. ~ Copyright © 2025 Arthur Haines. ~ arthur.d.haines[at]gmail.com](https://newfs.s3.amazonaws.com/taxon-images-239x239/Onagraceae/epilobium-anagallidifolium-ha-ahaines-b.jpg)
![Fruits: Epilobium anagallidifolium. ~ By Arthur Haines. ~ Copyright © 2025 Arthur Haines. ~ arthur.d.haines[at]gmail.com](https://newfs.s3.amazonaws.com/taxon-images-239x239/Onagraceae/epilobium-anagallidifolium-fr-ahaines-a.jpg)