| Collector | Maxwell, J.F. |
| Number | 73-491 |
| Collected with | |
| Country | Thailand |
| Subpart | Saraburi |
| County | |
| Locality | Sahm Lahm forest. Muang District.Vine, trailing and climbing open thickets and disturbed areas near the hardwood forest |
| Coordinates | |
| Minimum elevation (m) | 75 |
| Maximum elevation (m) | 75 |
| Start date | 1973/10/14 |
| End date | 1973/10/14 |
| Family | Fabaceae |
| Identification | Pachyrhizus erosus (L.)Urb. |
| Determined by | Ashley N. Egan (US) 2016 |
| Identification qualifier | |
| Field notes | Calyx brownish/greenish. Corolla blue, throat of standard yellow. Pods green |
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