| Collector | Larsen, K. |
| Number | 32469 |
| Collected with | Supee S. Larsen, I Nielsen & T.Santisuk |
| Country | Thailand |
| Subpart | Rayong |
| County | |
| Locality | South-Eastern: Khao Chamao, E of Rayong. Evergreen forest along stream |
| Coordinates | 12° 57' N 101° 46' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 300 |
| Start date | 1972/09/05 |
| End date | 1972/09/05 |
| Family | Euphorbiaceae |
| Identification | Mallotus calocarpus Airy Shaw |
| Determined by | Soraya Sierra |
| Identification qualifier | |
| Field notes | Green flowers, white stamens, shrub 1-2 m. high |
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