| Collector | Maxwell, J.F. |
| Number | 88-459 |
| Collected with | |
| Country | Thailand |
| Subpart | Northern |
| County | |
| Locality | Chiang Rai. Mae Chan. Ban Mai Pattana, Nawng Bah Gaw Subdistrict. Open to partly shaded, moist places along a small stream, muddy alluvium; granite bedrock; disturbed agricultural area near the village decumbent-scrambling |
| Coordinates | |
| Minimum elevation (m) | 450 |
| Maximum elevation (m) | 450 |
| Start date | 1988/04/13 |
| End date | 1988/04/13 |
| Family | Rubiaceae |
| Identification | Hedyotis uncinella Hook. & Arn. |
| Determined by | |
| Identification qualifier | |
| Field notes | Stems light greenish-greyish; calyx tube light green, calyx lobes dark green; corolla, filaments, stigmas white, anthers pinkish; blades dark green above, light green underneath |
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