Genus: Acorus — sweetflag
Two species are now recognized to occur in our area. Acorus calamus is a sterile triploid that has been introduced from Europe. Acorus americanus is a fertile diploid native to North America. Acorus was traditionally placed in the Araceae. References: Haines (2000), Thompson (2000).
This genus’s species in New England
Visit this genus in the Dichotomous Key