| Collector | Larsen, K. |
| Number | 41510 |
| Collected with | S. S. Larsen, A. S. Barfod, W. Nanakorn, W. Ueachirakan & P. Sirirugsa. |
| Country | Thailand |
| Subpart | PATTHALUNG |
| County | |
| Locality | Khao Phu - Khao Ya |
| Coordinates | 7° 40' N 99° 5' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 150 |
| Start date | 1990/11/16 |
| End date | 1990/11/16 |
| Family | Rubiaceae |
| Identification | Lasianthus verticillatus (Lour.)Merr. |
| Determined by | Zhu, H. (KUN), 1999. |
| Identification qualifier | |
| Field notes | (Lasianthus verticillatus (Lour.)Merr. var. hirsutus H.Zhu, var. nov., det. Zhu, H. (KUN), 1999.] |