Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Extrafloral nectaries (EFNs) and domatia have evolved in multiple lineages across the angiosperm tree of life. A phylogeny of angiosperm families modified from Zanne et al. (2013) with families reported in the literature to have both extrafloral nectaries and domatia are in pink, and families reported to have either extrafloral nectaries or domatia are in green or blue, respectively.
