| Collector | Harley, R.M. |
| Number | 15828 |
| Collected with | S.A. Renvoize, C.M. Erskine, C.A. Brighton & R. Pinheiro |
| Country | Brazil |
| Subpart | Estado de Bahia |
| County | |
| Locality | ca. 10 km. N of Barra da Estiva on Ibicoara road, by the Rio Preto. Grassland with low shrubs over white sand and crystalline quartz, intersected by valley with small river |
| Coordinates | 13° 35' S 41° 18' W |
| Minimum elevation (m) | 1100 |
| Maximum elevation (m) | 1100 |
| Start date | 1974/02/02 |
| End date | 1974/02/02 |
| Family | Melastomataceae |
| Identification | Marcetia lanuginosa Wurdack |
| Determined by | |
| Identification qualifier | |
| Field notes | Subshrub 20 cm. high. Flowers magenta. |
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