| Collector | Nielsen, I.C. |
| Number | 1651 |
| Collected with | T. Jonganurak, N.Hemrath, J. Rithipheth |
| Country | Thailand |
| Subpart | Loei |
| County | |
| Locality | Ban Pak Buan, Centenary Arboretum |
| Coordinates | 17° 30' N 101° 51' E |
| Minimum elevation (m) | 380 |
| Maximum elevation (m) | 380 |
| Start date | 2004/08/11 |
| End date | 2004/08/11 |
| Family | Aristolochiaceae |
| Identification | Aristolochia |
| Determined by | |
| Identification qualifier | |
| Field notes | Secondary dry evergreen forest. Woody climber at forest margin, tepals light purple in the proimal part, lid dark adaxially and blackish green abaxially |