| Collector | Middleton, D.J. |
| Number | 4740 |
| Collected with | P. Karaket, S. Lindsay and S. Suddee |
| Country | Thailand |
| Subpart | Kanchanaburi |
| County | |
| Locality | Thong Pha Phum District: Lam Khlong Ngu National Park. Nang Khruan Waterfall. Dry evergreen forest. |
| Coordinates | 14° 54' 18'' N 98° 43' 36'' E |
| Minimum elevation (m) | 550 |
| Maximum elevation (m) | 550 |
| Start date | 2009/01/21 |
| End date | 2009/01/21 |
| Family | Lamiaceae |
| Identification | Scutellaria barbata D.Don |
| Determined by | Allan Paton (Kew) |
| Identification qualifier | |
| Field notes | Herb in thin soil on rocks in river. Stems purplish at base, green higher. Leaves mid green above, paler beneath. Calyx green. Corolla white at base or tube, purple at top of tube and on upper lobes, lower lobes white. Margin of lower 3 lobes pale purple inside. |
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