| Collector | Iwatsuki, K. |
| Number | T9715 |
| Collected with | N.Fukuoka & A.Chintayungkun |
| Country | Thailand |
| Subpart | Northern |
| County | |
| Locality | Chiang Rai: Doi Pa Hom Pok, NW of Phan. In open place |
| Coordinates | |
| Minimum elevation (m) | 700 |
| Maximum elevation (m) | 700 |
| Start date | 1967/09/15 |
| End date | 1967/09/15 |
| Family | Rubiaceae |
| Identification | Hedyotis verticillata Lam. |
| Determined by | |
| Identification qualifier | |
| Field notes | Fls white |
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