| Collector | Maxwell, J.F. |
| Number | 92-616 |
| Collected with | |
| Country | Thailand |
| Subpart | Chiang Mai |
| County | |
| Locality | Doi Sutep-Pui National Park, south side, Mae Heeyah Nai Village area. Open and presently moist to wet seepage areas along a stream, oracks in the granite bedrock; deciduous dipterocarp-oak forest |
| Coordinates | |
| Minimum elevation (m) | 475 |
| Maximum elevation (m) | 475 |
| Start date | 1992/10/15 |
| End date | 1992/10/15 |
| Family | Rubiaceae |
| Identification | Hedyotis nalampoonii Fukuoka |
| Determined by | |
| Identification qualifier | |
| Field notes | Stem, inflorescence axes, calyx tube green; calyx lobes dark green; corolla light lilac; anthers cream; blades green above, light green below |
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