| Collector | Larsen, K. |
| Number | 1566A |
| Collected with | T. Smitinand & E. Warncke |
| Country | Thailand |
| Subpart | Ratchaburi |
| County | |
| Locality | South of Prachuap. |
| Coordinates | |
| Minimum elevation (m) | 50 |
| Maximum elevation (m) | 50 |
| Start date | 1966/08/13 |
| End date | 1966/08/13 |
| Family | Acanthaceae |
| Identification | Strobilanthes serpens (Nees) J.R.I.Wood & Scotland |
| Determined by | P. Kladwong |
| Identification qualifier | |
| Field notes | Schrub vegetation around clearing in mixed evergreen. |
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