| Collector | Larsen, K. |
| Number | 42989 |
| Collected with | S. S. Larsen, S. S. Renner, C. Niyomdham, W. Ueachirakan & P. Sirirugsa |
| Country | Thailand |
| Subpart | NARATHIWAT |
| County | |
| Locality | Bacho Nat. Park |
| Coordinates | 6° 35' N 101° 40' E |
| Minimum elevation (m) | 150 |
| Maximum elevation (m) | 350 |
| Start date | 1992/06/18 |
| End date | 1992/06/18 |
| Family | Rubiaceae |
| Identification | Chassalia curviflora Thw. |
| Determined by | Chamchumroon, V. (BKF), 2002. |
| Identification qualifier | |
| Field notes | Undershrub, mostly herbaceous, c 1 m; flowers white, pale purple at apex |