Jayarathna, S.P.N.C.; Senanayake, S.P.; Jayasekera, L.R.
(Faculty of Graduate Studies, University of Kelaniya, 2015)
The genus Piper is represented in Sri Lanka by ten species of which three are endemics.
Piper nigrum L. (black pepper) and P. betle L. (betel) are the main crops that make the genus
commercially important and some species ...