| Collector | Lojtnant, B. |
| Number | 15628 |
| Collected with | Molau, U. |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Hills above Hacienda La Elvira, c. 5 km W of Bucay. Virgin rain forest. |
| Coordinates | 2° 11' S 79° 7' W |
| Minimum elevation (m) | 500 |
| Maximum elevation (m) | 500 |
| Start date | 1979/07/06 |
| End date | 1979/07/06 |
| Family | Apocynaceae |
| Identification | Tabernaemontana undulata M.Vahl |
| Determined by | A. J. M. Leeuwenberg |
| Identification qualifier | |
| Field notes | Shrub, ca 2 m tall, with white juice. Corolla tube white, lobes pale yellow. Fruits yellow. |
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