| Collector | Holm-Nielsen, L. B. |
| Number | 21959 |
| Collected with | Jaramillo, J. & Coello, F. |
| Country | Ecuador |
| Subpart | PASTAZA |
| County | |
| Locality | Curaray. Ridge NE of Destacamento. Rain forest. Annonaceae, Mimosaceae, Moraceae, and many ferns and Selaginellas. |
| Coordinates | 1° 21' S 76° 56' W |
| Minimum elevation (m) | 250 |
| Maximum elevation (m) | 250 |
| Start date | 1980/03/19 |
| End date | 1980/03/19 |
| Family | Apocynaceae |
| Identification | Tabernaemontana macrocalyx Muell. Arg. |
| Determined by | A. J. M. Leeuwenberg |
| Identification qualifier | |
| Field notes | Scandent. Sepals light yellow. Petals slightly darker. |
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