| Collector | Iwatsuki, K. |
| Number | T8461 |
| Collected with | H.Koyama, M. Hutch & A. Chintayungkun |
| Country | Thailand |
| Subpart | Peninsular |
| County | |
| Locality | Nakhon Si Thammarat: at middle elevation of Khao Luang in dense mountain forest |
| Coordinates | |
| Minimum elevation (m) | 650 |
| Maximum elevation (m) | 950 |
| Start date | 1967/08/24 |
| End date | 1967/08/24 |
| Family | Lamiaceae |
| Identification | Gomphostemma javanicum (Blume)Benth. |
| Determined by | S.Suddee(AAU)1999, B.Bongcheewin 2014 |
| Identification qualifier | |
| Field notes | |
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