| Collector | Barfod, A.S. |
| Number | 41459 |
| Collected with | |
| Country | Ecuador |
| Subpart | CARCHI |
| County | |
| Locality | N of San Marcos along trail leading to Río San Juan. Primary rain forest on terra firme. Ethnobot. inform.: Santiago Dinero. |
| Coordinates | 1° 7' N 78° 20' W |
| Minimum elevation (m) | 660 |
| Maximum elevation (m) | 660 |
| Start date | 1983/01/18 |
| End date | 1983/01/18 |
| Family | Acanthaceae |
| Identification | Pseuderanthemum micranthum Leonard |
| Determined by | D. Wasshausen |
| Identification qualifier | |
| Field notes | 2 m. Primary rain forest. Nom. vern.: Bealbena (Span.). Use: For headaches. Prep.: The entire plant is crushed under water and the extract drunk. |