| Collector | Larsen, K. |
| Number | 42641 |
| Collected with | S. S. Larsen, S. S. Renner, C. Niyomdham, W. Ueachirakan & P. Sirirugsa |
| Country | Thailand |
| Subpart | SONGKLA |
| County | |
| Locality | Koh Hong |
| Coordinates | 7° 0' N 100° 20' E |
| Minimum elevation (m) | 350 |
| Maximum elevation (m) | 450 |
| Start date | 1992/06/04 |
| End date | 1992/06/04 |
| Family | Melastomataceae |
| Identification | Melastoma sanguineum Sims |
| Determined by | Renner, S. (MJG), 1993. |
| Identification qualifier | |
| Field notes | "shrub, 1-1.5 m tall; flowers dark purple, hypanthium fleshy and reddish" |