| Collector | Holm-Nielsen, L. B. |
| Number | 21379 |
| Collected with | Jaramillo, J. & Brandbyge, J. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Cuyabeno. 5 km downstream from Puerto Montúfar. Riverside vegetation. |
| Coordinates | 0° 7' S 75° 59' W |
| Minimum elevation (m) | 225 |
| Maximum elevation (m) | 225 |
| Start date | 1980/02/18 |
| End date | 1980/02/18 |
| Family | Rubiaceae |
| Identification | Rudgea cornifolia (H. B. K. )Standl. |
| Determined by | B. Boom, 1987, D. Zappi (K) 2008 |
| Identification qualifier | |
| Field notes | Shrub 50-70 cm. Fruits green. |
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