Ceylon ironwood
Mesua ferrea, family Calophyllaceae
In its own language: नागकेसर
A slow-growing tree with drooping red leaves and large white scented blooms
Ceylon ironwood is a tall, slow-growing tree valued for its graceful form and showy, fragrant white flowers. Native to wet forests of South and Southeast Asia, it is planted as an ornamental and holds cultural and religious importance in Sri Lanka and parts of India.
- National tree of Sri Lanka and state symbol in parts of India
- Large, fragrant white flowers with yellow-orange centers
- Leaves emerge red or pink before turning dark green
- Wood is extremely hard and used for heavy construction
- Important in Buddhist tradition as a sacred tree
What does Ceylon ironwood look like?
Ceylon ironwood is a tall tree that can reach over 30 meters, with a straight trunk and sometimes buttressed base. Its bark is ash-grey, peeling on younger trees and darker on older ones. The leaves are narrow, long, and droop when young, showing a pink or red flush before turning dark green with a pale underside. The tree produces large, white, strongly scented flowers with four petals and a cluster of yellow-orange stamens in the center. Its fruit is a round capsule containing one or two seeds.
Where does Ceylon ironwood come from?
This species grows naturally in wet, tropical forests across Sri Lanka, India, Myanmar, and parts of Southeast Asia. It is found in river valleys and evergreen woods, sometimes at elevations up to 1,500 meters in the Himalayas and Western Ghats. The tree has been planted for centuries in temple grounds and gardens, especially in Sri Lanka, where it is linked to ancient Buddhist sites. Botanists have debated its classification, with some splitting it into several related species and varieties.
When and how Ceylon ironwood blooms
Ceylon ironwood blooms in the humid, rainy parts of its native range, usually in evergreen forests or near water. It is slow-growing and often planted for its ornamental value, with young trees showing striking red leaves. The tree can be grown from seed and prefers moist, well-drained soil. Its wood is dense and hard, making it valued for construction, though it is difficult to cut.
How Ceylon ironwood is used
People plant this tree in gardens and temple grounds for its beauty and shade. Its wood is used for heavy construction, such as railway ties and pillars in historic shrines. The flowers, leaves, seeds, and roots are used in traditional medicine and in incense. In Assam, the seed oil was once used for lighting lamps in homes. The tree is also important in Buddhist tradition and is a state and national symbol in parts of South Asia.
Kinds of Ceylon ironwood
There are two main varieties: one found in southern India, and another spread across the Indian subcontinent and Southeast Asia. In Sri Lanka, a related form called 'Diya Na' grows near streams and marshes. Botanists have sometimes separated these forms into different species or subspecies, reflecting the tree's complex classification.
What Ceylon ironwood means
Ceylon ironwood is the national tree of Sri Lanka and a state emblem in Indian regions like Mizoram and Tripura. In Theravada Buddhist tradition, it is believed to be the tree under which several Buddhas attained enlightenment, and is linked to future Buddhist prophecy. Old trees are often found near ancient monasteries, planted as sacred or ornamental trees centuries ago.
Questions people ask about Ceylon ironwood
Where does Ceylon ironwood come from?
This tree grows naturally in wet, tropical forests of Sri Lanka, India, Myanmar, and parts of Southeast Asia, often near rivers and in evergreen woods.
What does the Ceylon ironwood tree look like?
It is a tall tree with narrow, drooping leaves that start out red or pink and mature to dark green. The tree produces large, white, fragrant flowers with yellow-orange stamens.
How is Ceylon ironwood used?
Its wood is used for heavy construction and historic buildings. The flowers, leaves, seeds, and roots are used in herbal medicine and incense, and the tree is planted for shade and ornament.
What is its cultural or religious importance?
Ceylon ironwood is sacred in Buddhism, believed to be the enlightenment tree for several Buddhas. It is also the national tree of Sri Lanka and a state symbol in parts of India.
Are there different types of Ceylon ironwood?
Yes, there are two main varieties, with some botanists recognizing related forms in Sri Lanka and southern India as separate species or subspecies.
Good reading and sources
- Encyclopaedia BritannicaArticle
- NParksNational Parks Board, Singapore, Article
- IUCN Red List of Threatened SpeciesIUCN Red List, Article
- Plants of the World OnlineRoyal Botanic Gardens, Kew, Plant database
- Where it has been recordedGBIF, Plant database
- Sightings and photos by naturalistsiNaturalist, Plant database
The facts on this page come from the Wikipedia article "Mesua ferrea", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). Phool rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.
It may contain mistakes. It is not medical or foraging advice: many flowers are poisonous, and traditional uses are reported, not recommended. If something is wrong, tell us. Last refreshed 2026-10-03.
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