| Collector | Harley, R.M. |
| Number | 21403 |
| Collected with | G.L. Bromley, A.M. DeCarvalho, J.L. Hage & H.S. Brito |
| Country | Brazil |
| Subpart | Estado da Bahia |
| County | |
| Locality | Basin of the Upper Sao Francisco River. ca. 28 km S.E. of Bom jesus da Lapa, on the Caitite road. Castinga with low deciduous woodland, and marsh by roadside, This plant growing in marsh |
| Coordinates | 13° 23' S 43° 13' W |
| Minimum elevation (m) | 500 |
| Maximum elevation (m) | 500 |
| Start date | 1980/04/16 |
| End date | 1980/04/16 |
| Family | Melastomataceae |
| Identification | Pterolepis polygonoides Triana |
| Determined by | |
| Identification qualifier | |
| Field notes | Slender erect unbranched herb to 15 cm. Leaves pale green, calyx green, petals pink, anthers golden-yellow, filaments white, stigma tinged pink |
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