| Collector | Larsen, K. |
| Number | 41692 |
| Collected with | S. S. Larsen, A. S. Barfod, W. Nanakorn, W. Ueachirakan & P. Sirirugsa. |
| Country | Thailand |
| Subpart | SONGKHLA |
| County | |
| Locality | Tam Khu Ha, c 10 km W of Saba Yoi,Limestone outcrops |
| Coordinates | 6° 6' N 100° 55' E |
| Minimum elevation (m) | 150 |
| Maximum elevation (m) | 150 |
| Start date | 1990/11/25 |
| End date | 1990/11/25 |
| Family | Apocynaceae |
| Identification | Ichnocarpus frutescens (Dennst.)Mabb. |
| Determined by | Middleton, D. (L), 1996. |
| Identification qualifier | |
| Field notes | "Straggler; latex white; flowers white." |