''Doona trapezifolia'', known as තිනිය දුන් (tiniya dun) in Sinhala, is a species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

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, ...

. It is native to the remaining lowland rain forests and sometimes montane rain forests in southwestern Sri Lanka, usually on deep soils.

References

trapezifolia Endemic flora of Sri Lanka Trees of Sri Lanka Critically endangered flora of Asia Plants described in 1858 Taxa named by George Henry Kendrick Thwaites Taxonomy articles created by Polbot Taxobox binomials not recognized by IUCN {{Dipterocarpaceae-stub