| Collector | Moldenke, H.N. |
| Number | 28191 |
| Collected with | A.L Moldenke, M. Jayasuriya, B. Sumithraarachchi |
| Country | Sri Lanka |
| Subpart | Central |
| County | |
| Locality | 6th Hairpin Bend, Mahiyanganaya, Kandy District; Central Province. Abundant on steep roadbanks and edge of forest. |
| Coordinates | |
| Minimum elevation (m) | 548.64 |
| Maximum elevation (m) | 548.64 |
| Start date | 1974/01/19 |
| End date | 1974/01/19 |
| Family | Lamiaceae |
| Identification | Rotheca serrata (L.) Steane & Mabb. |
| Determined by | C. Leeratiwong |
| Identification qualifier | |
| Field notes | 6-10 foot subshrubs with mostly simple stems; upper petals varying to white. |
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