Group:
1 Angiosperms (Flowering Plants) - I - Dicotyledons
Family:
Piperaceae
Including species:
- Piper betle L.
- Piper fallax Vahl
- Piper longum L.
- Piper nigrum L.
- Piper retrofractum Vahl
- Piper sarmentosum Roxb.
- Piper Sp. වැම්මල්
- Piper umbellatum L.
- Piper wallichii (Miq.) Hand.-Mazz.
- Piper zeylanicum Miq.