| Collector | Brandbyge, J. |
| Number | 33974 |
| Collected with | Asanza, E. & Werling, L. & Leth-Nissen, S. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Lagunas de Cuyabeno. Second lake, situated some 3 km W of the first lake. Primary forest with some periodically flooded parts. |
| Coordinates | 0° 1' S 76° 11' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1981/08/23 |
| End date | 1981/08/23 |
| Family | Marantaceae |
| Identification | Monotagma laxum (Poepp. & Endl.)K. Schum. |
| Determined by | M. Hagberg, 1990 (GB) |
| Identification qualifier | |
| Field notes | Flowers whitish pink. |
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