| Collector | Larsen, K. |
| Number | 41172 |
| Collected with | S. S. Larsen, A. S. Barfod, W. Nanakorn, W. Ueachirakan & P. Sirirugsa. |
| Country | Thailand |
| Subpart | SATUN |
| County | |
| Locality | Yar Roy waterfall, c 25 km NE of Satun. Along stream and waterfall. |
| Coordinates | 6° 45' N 100° 7' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 200 |
| Start date | 1990/11/06 |
| End date | 1990/11/06 |
| Family | Rubiaceae |
| Identification | Hedyotis |
| Determined by | Chamchumroon, V. (BKF), 2002. |
| Identification qualifier | |
| Field notes | Creeping. Flowers white. |
This record