Silva, M.C., Guimarães, E.F., Pereira, L.A. & Sarnaglia (Junior), V.B. (2015)
Two new species of
Piper
section
Ottonia
(Piperaceae) from southeastern Brazil
.
Phytotaxa
212 (4): 293–299. https://doi.org/10.11646/phytotaxa.212.4.5