| Collector | Othman, H. |
| Number | S.43728 |
| Collected with | et.al. |
| Country | Malaysia |
| Subpart | Sarawak |
| County | |
| Locality | Ulu Sg. Semawat, Belaga, 7th Division. Riverine forest. Yellow sandy clay |
| Coordinates | |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 1985/10/21 |
| End date | 1985/10/21 |
| Family | Fabaceae |
| Identification | Mastersia bakeri Backer ex Koord. |
| Determined by | Ashley N. Egan (US) 2018 |
| Identification qualifier | |
| Field notes | Creeping on ground, stem green. Calyx green; petals red; filament white, anthers yellow; style red; stigmas yellow |
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