| Collector | Maxwell, J.F. |
| Number | 73-218 |
| Collected with | |
| Country | Thailand |
| Subpart | Kanchanaburi |
| County | |
| Locality | Sang Kla. Shaded thicket in Hw forest. |
| Coordinates | |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 1973/07/08 |
| End date | 1973/07/08 |
| Family | Acanthaceae |
| Identification | Strobilanthes serpens (Nees) J.R.I.Wood & Scotland |
| Determined by | P. Kladwong |
| Identification qualifier | |
| Field notes | Calyx green; Corolla blue. |
|