| Collector | McDonald, A. |
| Number | 8019 |
| Collected with | I. Thailade, N. Keth & L. Smidt |
| Country | Cambodia |
| Subpart | Kampong Thom |
| County | |
| Locality | Kampong Thom Province, Sandan District, Prey Long, South of Spong Village; in Plot 25 of Site 6 of 2011 surveys |
| Coordinates | 13° 26' 28.6'' N 105° 35' 31.7'' E |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 2011/04/05 |
| End date | 2011/04/05 |
| Family | Simaroubaceae |
| Identification | Eurycoma longifolia Jack. |
| Determined by | |
| Identification qualifier | |
| Field notes | Evergreen forest, subdominant trees including Vatica, Anisoptera, Dipterocarpus, Lithocarpus, Syzygium and Dehaasia. Understory, monopodial shrub, branching from base, stems 4, to 3 m tall. Common name: "Antong sau" (Khmer name) |