| Collector | Madsen, E. B. |
| Number | 84311 |
| Collected with | |
| Country | Ecuador |
| Subpart | IMBABURA |
| County | |
| Locality | San Luis de Imbaya, Rio Chorlavi, 4 km NW of Ibarra. Dry river valley, dominated by Acacia, Croton, Agave. |
| Coordinates | 0° 23' N 78° 8' W |
| Minimum elevation (m) | 1960 |
| Maximum elevation (m) | 1960 |
| Start date | 1988/09/29 |
| End date | 1988/09/30 |
| Family | Sterculiaceae |
| Identification | Byttneria ovata Lam. |
| Determined by | Cristóbal, C.L. (CTES), 1995. |
| Identification qualifier | |
| Field notes | Dense shrub, ca. 1.5 m. Cortex greenish brown, on flowering shoots green. Flowers greenish, fruits green. Common along paths and roads. |