| Family | : Euphorbiaceae |
| Genus | : Chactocarpus |
| Species | : castanocarpus |
| Author | : (Roxb.) Thwaites |
| Local Name | : Ash gula |
| Location | : Forest range., Naikhongchhari, Bandarban, Bangladesh. |
| Latitude: 21° 26' 17" N; Longitude: 92° 15' 18" E | |
| Accesssion No. | : 70576 |
| Collector | : I Hossen, MS Islam, MKR Rahman & MR Miah |
| Collection Date | : 02-02-2017 |
| Note | : Tree, leaves lanceolate, alternate, fruits green, spiny, at leaf bases, from hill slope. Rare. |
