| Collector | Nielsen, I.C. |
| Number | 1921 |
| Collected with | Somran Suddee; N. Hemrath & J. Rithipheth |
| Country | Thailand |
| Subpart | Phetchbury |
| County | |
| Locality | Kaeng Krachang National Park; Phanron Thing Ranger Station |
| Coordinates | 12° 55' N 99° 45' E |
| Minimum elevation (m) | 900 |
| Maximum elevation (m) | 900 |
| Start date | 2004/08/25 |
| End date | 2004/08/25 |
| Family | Acanthaceae |
| Identification | Asystasia salicifolia Craib |
| Determined by | D.Yunfei |
| Identification qualifier | |
| Field notes | Hill evergreen forest on lateric soil. Erect herb, leaves dark green; corolla white with violet throat |
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