tembusu

{{Short description|Species of tree}}

{{Speciesbox

|name = Tembusu

|image = Tembusu tree at Lawn E, Singapore Botanic Gardens 20240210 182200.jpg

|image_caption = At Singapore Botanic Gardens

|status = LC

|status_system = IUCN3.1

|status_ref = {{cite iucn | author1 = Botanic Gardens Conservation International (BGCI) | author2 = IUCN SSC Global Tree Specialist Group | name-list-style = amp | title = Cyrtophyllum fragrans | page = e.T135891057A135895554 | doi = 10.2305/IUCN.UK.2018-2.RLTS.T135891057A135895554.en | year = 2018 | access-date = 1 January 2024}}

|genus = Cyrtophyllum

|species = fragrans

|authority = (Roxb.) DC.{{cite POWO |title=Cyrtophyllum fragrans (Roxb.) DC. |id=546043-1 |access-date=8 April 2025}}

|synonyms =

{{Species list

| Fagraea fragrans | Roxb.

| Fagraea peregrina | (Reinw.) Blume

| Cyrtophyllum peregrinum | Reinw.

| Willughbeia fragrans | (Roxb.) Spreng.

}}

|synonyms_ref =

}}

Image:Fagraea fragrans A.jpg

The tembusu ({{IPAc-en|t|ə|m|ˈ|b|uː|s|uː|,_|t|ɛ|m|-}}, {{respell|təm|BOO|soo}} or {{respell|tem|BOO|soo}}), is a large evergreen tree in the family Gentianaceae, native to Southeast Asia (from Indo-China to New Guinea). It is the Malay name for Cyrtophyllum fragrans (synonym Fagraea fragrans). It is also known as ironwood.{{GRIN | Fagraea fragrans | 403234 | access-date = 8 April 2025}}

Its trunk is dark brown, with deeply fissured bark, looking somewhat like a bittergourd. The tree grows in an irregular shape from 10 to 25 metres high,[http://www.desert-tropicals.com/Plants/Loganiaceae/Fagraea_fragrans.html Tropical plants site description] with light green oval-shaped leaves, and yellowish flowers with a distinct fragrance. The fruits of the tree are bitter tasting red berries, which are eaten by Pteropus fruit bats.{{cite book|last1=Hargreaves|first1=Dorothy|last2=Hargreaves|first2=Bob|title=Tropical Trees of the Pacific|url=https://archive.org/details/tropicaltreesofp00harg|url-access=registration|year=1970|publisher=Hargreaves|location=Kailua, Hawaii|page=[https://archive.org/details/tropicaltreesofp00harg/page/61 61]}}