| Collector | Nielsen, I.C. |
| Number | 1688 |
| Collected with | T. Jonganurak, N.Hemrath, J. Rithipheth |
| Country | Thailand |
| Subpart | Loei |
| County | |
| Locality | Phu Luang National Park |
| Coordinates | 17° 15' N 101° 40' E |
| Minimum elevation (m) | 1530 |
| Maximum elevation (m) | 1530 |
| Start date | 2004/08/12 |
| End date | 2004/08/12 |
| Family | Euphorbiaceae |
| Identification | Baliospermum calycinum Müll.-Arg. |
| Determined by | Larsen, K. |
| Identification qualifier | |
| Field notes | Low montane forest on sandy soiLow montane forest on sandy soil. Slender srub 2 m tall; new branches green, 1 year old branches brown |