| Collector | Cotton, E. |
| Number | 1558 |
| Collected with | Henrik Balslev, Mats Gustafsson & Kristian Kyed |
| Country | Ecuador |
| Subpart | ZAMORA-CHINCHIPE |
| County | |
| Locality | Road Loja-Zamora, Km 52 from Loja. Bridge over Río Sabanilla. Roadside vegetation. |
| Coordinates | 4° 2' S 79° 0' W |
| Minimum elevation (m) | 1250 |
| Maximum elevation (m) | 1250 |
| Start date | 2000/08/05 |
| End date | 2000/08/05 |
| Family | Melastomataceae |
| Identification | Tibouchina longifolia (Vahl)Baillon |
| Determined by | Cotton, E. (AAU), 2000. |
| Identification qualifier | |
| Field notes | Small suffrutex up to 80 cm. Petals white. Anthers bright yellow. Weedy on roadside. |