| Collector | Larsen, K. |
| Number | 45523 |
| Collected with | Supee S. Larsen, Christian Tange, Robbin Moran, T. Niyomdham & P. Puudjaa |
| Country | Thailand |
| Subpart | SONGKHLA |
| County | |
| Locality | Ton Nga Chang Nat. Park. Dry evergreen forest. |
| Coordinates | 6° 56' N 100° 13' E |
| Minimum elevation (m) | 250 |
| Maximum elevation (m) | 250 |
| Start date | 1995/08/13 |
| End date | 1995/08/13 |
| Family | Rubiaceae |
| Identification | Ixora nigricans R. Br. ex Wight & Arn. |
| Determined by | Chamchumroon, V. (BKF), 2002. |
| Identification qualifier | |
| Field notes | Shrub 2 m |