The following species in the flowering plant genus Pavetta are accepted by Plants of the World Online.[1] An important distinguishing trait for the genus is the dark nodules on their leaves, which house bacterial endosymbionts.[2]
Identification of the bacterial endosymbionts in leaf nodules of Pavetta (Rubiaceae) . 2012 . Lemaire . Benny . Van Oevelen . Sandra . De Block . Petra . Verstraete . Brecht . Smets . Erik . Prinsen . Els . Dessein . Steven . International Journal of Systematic and Evolutionary Microbiology . 62 . Pt 1 . 202–209 . 10.1099/ijs.0.028019-0 . 21378132 . free .