| Family | : Sterculiaceae |
| Genus | : Byttneria |
| Species | : aspera |
| Author | : Collebr. ex Wall. |
| Location | : Kasalong Reserve Forest, Bagaichhari, Rangamati, Bangladesh. |
| Latitude: 23° 08.709' " N; Longitude: 92° 11.520' " E | |
| Accesssion No. | : 81452 |
| Collector | : Kowser et al |
| Collection Date | : 18-12-2016 |
| Note | : Climber; Hill slope; Rare. |
