| Collector | Maxwell, J.F. |
| Number | 90-864 |
| Collected with | |
| Country | Thailand |
| Subpart | Northern |
| County | |
| Locality | Chiang Mai. Mae Dang. Ban Pah Dahng, Bah Bae Subdistrict, off the Mae Mah Lie-Pai Road. Shaded to partly open, slightly disturbed (cut) places in the primary evergreen forest, granite bedrock |
| Coordinates | |
| Minimum elevation (m) | 950 |
| Maximum elevation (m) | 950 |
| Start date | 1990/08/11 |
| End date | 1990/08/11 |
| Family | Rubiaceae |
| Identification | Hedyotis coronaria (Kurz) Craib |
| Determined by | |
| Identification qualifier | |
| Field notes | Stems, stipules light green; calyx tube light greenish, lobes green; corolla tube & lobes outside whitish with a faint lilac hue; corolla lobes inside light lilac, hairs light blue; anthers blueish; blades dark green above, light green underneath |
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