﻿AbstractA new species,LysimachiafenghwaianaG.Hao & H.F.Yan (Primulaceae), from Hunan Province, China, is described and illustrated. This new species belongs toLysimachiasubgen.Lysimachiasect.Nummulariaand is morphologically similar toL.crista-galliandL.carinata, but is distinctive in its leaf shape and arrangement of flowers. It can be further distinguished fromL.crista-galliby the absence of calyx lobule spur, and fromL.carinataby the black glandular striates in the corolla lobes, rather than punctate.