| Collector | Larsen, K. |
| Number | 42247 |
| Collected with | S. S. Larsen, C. Niyomdham, W. Ueachirakan & P. Sirirugsa. |
| Country | Thailand |
| Subpart | PATTANI |
| County | |
| Locality | Sai Khao waterfall |
| Coordinates | 6° 45' N 101° 7' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 150 |
| Start date | 1991/10/09 |
| End date | 1991/10/09 |
| Family | Gesneriaceae |
| Identification | Chirita involucrata Craib |
| Determined by | Burtt, B.L. (E), 1993. |
| Identification qualifier | |
| Field notes | "Between rocks on sandy soil along stream; up to 40 cm; Flowers bluish violet." |