| Collector | Holm-Nielsen, L. B. |
| Number | 21357 |
| Collected with | Jaramillo, J. & Brandbyge, J. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Cuyabeno. Midway between Puerto Montúfar and Río Aguas Negras. Temporarily inundated forest. |
| Coordinates | 0° 8' S 75° 58' W |
| Minimum elevation (m) | 220 |
| Maximum elevation (m) | 220 |
| Start date | 1980/02/18 |
| End date | 1980/02/18 |
| Family | Zingiberaceae |
| Identification | Costus scaber Ruiz & Pav. |
| Determined by | P.J.M.Maas |
| Identification qualifier | |
| Field notes | 3 m. Bracts bright red with yellow midvein. Flowers yellow. Fruits white with red sepals. |
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