| Collector | Murata, G. |
| Number | T15214 |
| Collected with | Kunio Iwatsuki & Chamlong Pengklai |
| Country | Thailand |
| Subpart | Northern |
| County | |
| Locality | Chiang Mai: higher elevation of Doi Chiang Dao on exposed rocky ridge of ridge of limestone |
| Coordinates | |
| Minimum elevation (m) | 1900 |
| Maximum elevation (m) | 2100 |
| Start date | 1971/09/27 |
| End date | 1971/09/27 |
| Family | Clusiaceae |
| Identification | Hypericum siamense N.Robson |
| Determined by | N.K.B.Robson |
| Identification qualifier | |
| Field notes | |
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