| Collector | Larsen, K. |
| Number | 42668 |
| Collected with | S. S. Larsen, S. S. Renner, C. Niyomdham, W. Ueachirakan & P. Sirirugsa |
| Country | Thailand |
| Subpart | PHATTALUNG |
| County | |
| Locality | Tha Mot,30 km S. of Phattalung. Evergreen forest along stream. |
| Coordinates | 7° 20' N 100° 5' E |
| Minimum elevation (m) | 75 |
| Maximum elevation (m) | 175 |
| Start date | 1992/06/05 |
| End date | 1992/06/05 |
| Family | Asclepiadaceae |
| Identification | Hoya lacunosa Bl. |
| Determined by | Thaithong, G. 1994. |
| Identification qualifier | |
| Field notes | "Flowers white; epiphytic." |