| Collector | Holm-Nielsen, L. B. |
| Number | 25889 |
| Collected with | Jaramillo, J. & Coello, F. & Asanza, E. |
| Country | Ecuador |
| Subpart | ESMERALDAS |
| County | |
| Locality | Río Santiago, upstream from Rocafuerte. Rain forest. |
| Coordinates | 1° 0' N 78° 48' W |
| Minimum elevation (m) | 60 |
| Maximum elevation (m) | 60 |
| Start date | 1980/09/04 |
| End date | 1980/09/04 |
| Family | Marantaceae |
| Identification | Calathea guzmanioides Smith & Idrobo |
| Determined by | H. Kennedy, 1985 |
| Identification qualifier | |
| Field notes | Leaves 4 m. Inflorescence 1.5 m. Flower light yellow, labellum yellow. |
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