| Family | : Costaceae |
| Genus | : Costus |
| Species | : speciosus |
| Author | : (J.Koenig) Sm. |
| Location | : Barkal Reserve Forest, Barkal, Rangamati, Bangladesh. |
| Accesssion No. | : 65223 |
| Collector | : Joyanta, Mominur, Al amin, Kamrul & Suborno |
| Collection Date | : 13-01-2017 |
| Note | : HErb; flower-petal-white. Common |
