| Collector | Holm-Nielsen, L. B. |
| Number | 21335 |
| 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 | Renealmia thyrsoidea subsp. thyrsoidea (Ruiz & Pav.)Poepp. & Endl. |
| Determined by | P.J.M.MAas |
| Identification qualifier | |
| Field notes | Stem 4 m. Lower bracts brown, upper bracts pink. Flowers orange-red. |
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