| Collector | Niyomdham, C. |
| Number | 1615 |
| Collected with | D. Sriboonma |
| Country | Thailand |
| Subpart | Narathiwat |
| County | |
| Locality | Bang Khun Thong, Tak Bai. Scattered along Bang Nara River. N.S.L. |
| Coordinates | |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 5 |
| Start date | 1987/09/16 |
| End date | 1987/09/16 |
| Family | Rubiaceae |
| Identification | Hypobathrum venulosum (Hook.f.)K.M. Wong |
| Determined by | Sawita Yooprasert |
| Identification qualifier | |
| Field notes | Shrub, 3 m high; flower greenish. |
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