| Collector | Larsen, K. |
| Number | 42546 |
| Collected with | S. S. Larsen, C. Niyomdham, W. Ueachirakan & P. Sirirugsa. |
| Country | Thailand |
| Subpart | KRABI |
| County | |
| Locality | Tam Soea (Tiger Cave) 10 km N of Krabi, limestone hill |
| Coordinates | 8° 10' N 98° 57' E |
| Minimum elevation (m) | 50 |
| Maximum elevation (m) | 250 |
| Start date | 1991/10/24 |
| End date | 1991/10/24 |
| Family | Euphorbiaceae |
| Identification | Leptopus australis (Zoll. & Moritzi)Pojark. |
| Determined by | van Welzen, P.C. (L), 1998. |
| Identification qualifier | |
| Field notes | On cliff. |