| Collector | Balslev, H. |
| Number | 4340 |
| Collected with | |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Cuyabeno below inlet of Río Tarapui behind house of Victoriano Criollo. Tropical rain forest inundated when river is high. |
| Coordinates | 0° 5' S 76° 10' W |
| Minimum elevation (m) | 230 |
| Maximum elevation (m) | 230 |
| Start date | 1983/07/25 |
| End date | 1983/07/25 |
| Family | Poaceae |
| Identification | Coix lacryma-jobi subsp. ma-yuen (Rom.Caill.)T.Koyama |
| Determined by | |
| Identification qualifier | |
| Field notes | Uses: Cultivated as chicken fodder. Mature fruits used for necklaces. |
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