''Doona affinis'' (synonym ''Shorea affinis'') is a species of flowering plant in the family

Dipterocarpaceae Dipterocarpaceae is a family (biology), family of flowering plants with 22 genera and about 695 known species of mainly lowland tropical forest trees. Their distribution is pantropical, from northern South America to Africa, the Seychelles, India ...

. It is a tree

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Sri Lanka Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...

, where it grows in the remaining lowland rain forests in the island's southwest, often in deep rich soils on hillsides.

References

affinis Endemic flora of Sri Lanka Vulnerable flora of Asia Plants described in 1858 Taxa named by George Henry Kendrick Thwaites Taxobox binomials not recognized by IUCN {{Dipterocarpaceae-stub