| Collector | La-ongsri, W. |
| Number | 4093 |
| Collected with | P. Punyachan, T. Pingyot, T. S. Satatha |
| Country | Thailand |
| Subpart | Lampang |
| County | |
| Locality | Doi Pha Plueng, Man Mae Aon, Ngao district |
| Coordinates | |
| Minimum elevation (m) | 473 |
| Maximum elevation (m) | 473 |
| Start date | 2015/05/20 |
| End date | 2015/05/20 |
| Family | Euphorbiaceae |
| Identification | Sauropus quadrangularis (Willd.) Müll.Arg. |
| Determined by | |
| Identification qualifier | |
| Field notes | Herb 30 cm high in mixed-deciduous forest. Flower green. Fruit white with calyx green. |