| Collector | Holm-Nielsen, L. B. |
| Number | 20282 |
| Collected with | Jaramillo, J. & Coello, F. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Aguarico, SE of Destacamento Lagarto Cocha. Rain forest. |
| Coordinates | 0° 10' S 75° 16' W |
| Minimum elevation (m) | 290 |
| Maximum elevation (m) | 290 |
| Start date | 1979/08/30 |
| End date | 1979/08/30 |
| Family | Marantaceae |
| Identification | Calathea crotalifera Watson |
| Determined by | H. Kennedy, 1985 |
| Identification qualifier | |
| Field notes | 3 m. Bracts yellow, towards the margin slightly orange. Flowers light yellow. |
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