| Collector | Holm-Nielsen, L. B. |
| Number | 24589A |
| Collected with | Jaramillo, J. & Coello, F. |
| Country | Ecuador |
| Subpart | PICHINCHA |
| County | |
| Locality | Road Pacto - Nuevo Azuay, at Río Guayllabamba. Rain forest. |
| Coordinates | 0° 14' N 78° 45' W |
| Minimum elevation (m) | 1000 |
| Maximum elevation (m) | 1000 |
| Start date | 1980/07/22 |
| End date | 1980/07/22 |
| Family | Melastomataceae |
| Identification | Tibouchina longifolia (Vahl)Baillon |
| Determined by | Wurdack, 1985 |
| Identification qualifier | |
| Field notes | Up to 0.8 m. Petals delicate, white, slightly reddish tinged. Anthers yellow. |
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