| Collector | Balslev, H. |
| Number | 4879 |
| Collected with | |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | San Pablo de los Secoyas on the Río Aguarico. Plants cultivated by the Secoya-tribe in area of tropical rain forest. |
| Coordinates | 0° 18' S 76° 20' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1984/02/27 |
| End date | 1984/02/27 |
| Family | Poaceae |
| Identification | Coix lacryma-jobi subsp. ma-yuen (Rom.Caill.)T.Koyama |
| Determined by | |
| Identification qualifier | |
| Field notes | 2 m high, growing in big clumps. |
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