| Collector | Lawesson, J. E. |
| Number | 39448 |
| Collected with | Laessoe, T. & Jorgensen, P. M. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Añangu, Río Napo. Tropical rain forest. Terra firme. |
| Coordinates | 0° 31' S 79° 23' W |
| Minimum elevation (m) | 260 |
| Maximum elevation (m) | 350 |
| Start date | 1983/04/16 |
| End date | 1983/04/27 |
| Family | Marantaceae |
| Identification | Hylaeanthe unilateralis (Poepp. & Endl.) A.M.E.Jonker & Jonker |
| Determined by | L.Andersson |
| Identification qualifier | |
| Field notes | Outer bracts green, inner bracts translucent. Outer tepals translucent, inner ones orange. |
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