| Collector | Ollgaard, B. |
| Number | 34630 |
| Collected with | Asanza, E. & Brandbyge, J. & Roth, S. & Sperling, C. |
| Country | Ecuador |
| Subpart | PASTAZA |
| County | |
| Locality | Río Bobonaza. Rain forest on river bank, and secondary forest around houses between Huagracachi and Cachitama, below Montalvo. |
| Coordinates | 2° 20' S 76° 43' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1980/07/18 |
| End date | 1980/07/18 |
| Family | Marantaceae |
| Identification | Calathea crotalifera Watson |
| Determined by | H. Kennedy |
| Identification qualifier | |
| Field notes | 3 m high. Flowers white. |
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