Tropical sub-montane forest
These are the forests that occur in between the lowland and montane (mountainous) zone , i.e. between 1000m- 1500m altitude essentially transitional being intermediate between rain forests and montane forests. Knuckels range, Peak wilderness, Hatton, Kotagala, Upper slopes of Sinharaja and Deniyaya, Sooriyakanda forests are examples. Theses also are rich in species composition .The endemism is about 50%. The dominant trees are Dun, Keena (Callophyllum spp), Sysygium spp, Malaboda.
The submontane forests in the central massif are dominated by a Shorea-Calophyllum-Syzygium community with a canopy of Shorea gardneri, S. trapezifolia, Palaquium spp., Homalium zelanicum, Calophyllum calaba, C. tomentosum, C. pulcherrimum, Syzygium spp., Cullenia spp., Myristica dactyloides, Cryptocarya wightiana, and Neolitsea involucrata.