| Collector | Koyama, T. |
| Number | 15639 |
| Collected with | C.Phengklai, C.Niyondham, M.Tamura, H.Okada & P.J.O'Connor |
| Country | Thailand |
| Subpart | Northern |
| County | |
| Locality | Chiang Mai, Doi Chiang Dao |
| Coordinates | |
| Minimum elevation (m) | 2000 |
| Maximum elevation (m) | 2100 |
| Start date | 1979/03/03 |
| End date | 1979/03/03 |
| Family | Clusiaceae |
| Identification | Hypericum henryi subsp. hancockii N.Robson |
| Determined by | C.M.Byrne |
| Identification qualifier | |
| Field notes | Shrub, 3 m. high. Capsule split to 5 part |
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