| Collector | La-ongsri, W. |
| Number | 2852 |
| Collected with | M. Norsaengsri, P. Panyachan, P. Tatiya, S. Satatha |
| Country | Thailand |
| Subpart | Phayao |
| County | |
| Locality | Doi Pha Mon Noi, Phu Sang National Park Phu Sang District |
| Coordinates | 19° 44' 8.4'' N 100° 24' 21.02'' E |
| Minimum elevation (m) | 1482 |
| Maximum elevation (m) | 1482 |
| Start date | 2013/04/30 |
| End date | 2013/04/30 |
| Family | Rubiaceae |
| Identification | Canthium parvifolium Roxb. |
| Determined by | |
| Identification qualifier | |
| Field notes | Shrub 2 m high in evergreen forest. Flower white. |
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