| Collector | Larsen, K. |
| Number | 44458 |
| Collected with | Supee S. Larsen, Chr. T. Norgaard, K. Pharsen, P. Puudjaa, and W. Uerchirakan |
| Country | Thailand |
| Subpart | NAN |
| County | |
| Locality | Doi Khun Nam Yao, c. 80 km NE of Nan, along Road 1081. |
| Coordinates | 19° 0' N 101° 12' E |
| Minimum elevation (m) | 800 |
| Maximum elevation (m) | 800 |
| Start date | 1993/11/17 |
| End date | 1993/11/17 |
| Family | Convolvulaceae |
| Identification | Merremia umbellata (L.)H. Hall. |
| Determined by | Staples, G. (BISH), 2003. |
| Identification qualifier | |
| Field notes | Climber with yellow flowers |
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