| Plant |
|---|
| Walsura trifoliata |
| Wedelia biflora ( Serunai , Saruni , Seremai , Bunga butang (Button flower) , Serunai laut , Serenah laut , Sunai laut ) |
| Xylopia aethiopica ( Negro Pepper ) |
| Xylopia villosa |
| Zanthoxylum bungei ( Ch'In Chiao , Ta Chiao , Hua Chiao ) |