| Collector | Meeboonya, R. |
| Number | RM261 |
| Collected with | Balslev, H., Aubriot, X., Karaket, P. & Yooprasert, S. |
| Country | Thailand |
| Subpart | Prachuap Khiri Khan |
| County | |
| Locality | Mueang. Khlong Wan. Along road to Dan Sing Khon. |
| Coordinates | 11° 47' 27'' N 99° 39' 3'' E |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 2014/06/24 |
| End date | 2014/06/24 |
| Family | Fabaceae |
| Identification | Macroptilium atropurpureum (DC.)Urb. |
| Determined by | |
| Identification qualifier | |
| Field notes | Climber; stems greyish-green, white hairs; calyx brownish-green, white hairs; standard purplish-green; wings dark purple, at base pale purple; keels pale purple; filaments whitish; anthers yellow; young pods green, white hairs; dry pods brown. Phenology, Fw, Fr |