| Collector | Holm-Nielsen, L. B. |
| Number | 19136 |
| Collected with | |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Mishuallí. Rain forest in the surroundings of the junction Río Mishuallí - Río Napo. |
| Coordinates | 1° 3' S 77° 41' W |
| Minimum elevation (m) | 500 |
| Maximum elevation (m) | 500 |
| Start date | 1979/08/13 |
| End date | 1979/08/14 |
| Family | Malvaceae |
| Identification | Malachra rudis Benth. |
| Determined by | Fryxell, P. (TAES), 1992. |
| Identification qualifier | |
| Field notes | Herb, 0.6 m. Flowers yellow. Fruits brown. Stems brownish. |