| Collector | Panyadee, P. |
| Number | 410 |
| Collected with | R. Kantasrila, W. Rujichaipimon, M. Tabut |
| Country | Thailand |
| Subpart | Phayao |
| County | |
| Locality | The road from Ban Nam Min to Ban Ton Phueng village. Road side of evergreen forest and rubber tree plantation. Mae Lao Sub-District, Chiang Kham district |
| Coordinates | |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 2022/08/31 |
| End date | 2022/08/31 |
| Family | Acanthaceae |
| Identification | Ruellia simplex C.Wright |
| Determined by | |
| Identification qualifier | |
| Field notes | Naturalized weed. Herb, about 50 cm tall. Flower purple-white. |