Katmon Tree: Philippine Catmon Fruit, Uses, Growing Guide, and Facts

The katmon tree (Dillenia philippinensis Rolfe) is a native Philippine tree known for its large white flowers, glossy leaves, and round, edible fruit with a distinctly sour flavor.

It is an especially interesting tree because it has several uses. The fruit can be eaten and used as a souring ingredient in Filipino cooking, while the tree itself is valued for landscaping, shade, timber, and other traditional uses.

Katmon is also a Philippine endemic species and is currently classified as Near Threatened on the IUCN Red List. That makes it more than just an unusual fruit tree. It is also part of the country’s native plant heritage.

This guide explains what katmon looks like, where it grows, what the fruit tastes like, how it is used, how it can be propagated, and what to know before planting one.

Last reviewed: October 3, 2026

Katmon Tree Quick Facts

What Is a Katmon Tree?

Katmon is the common name for Dillenia philippinensis, an evergreen tree in the family Dilleniaceae.

The species is endemic to the Philippines, meaning its natural range is limited to the country. Botanical references describe it as a tree of tropical environments, occurring mainly in low- and medium-elevation areas.

You may also see the name written as catmon. “Philippine catmon” is another common name used for the species.

Katmon is not the same species as Dillenia indica, which is also commonly known as elephant apple. Both belong to the genus Dillenia, but they are separate species with different native ranges.

For gardeners interested in Philippine and tropical plants, our complete gardening guide is a useful place to explore other fruit trees, native plants, and growing topics.

Where Does Katmon Grow?

Katmon is naturally found in the Philippines, including lowland and medium-elevation forest environments.

Philippine references describe it as a tree that can grow from around 6 to 15 meters tall. It is also used outside natural forests as an ornamental and landscaping tree.

Its preference for warm tropical conditions makes it well suited to the Philippine climate.

What Does a Katmon Tree Look Like?

Katmon is relatively easy to recognize because of its combination of large glossy leaves, showy white flowers, and distinctive fruit.

Leaves

Katmon has large, thick, glossy green leaves with noticeable veins and serrated or toothed margins.

The evergreen foliage gives the tree a full appearance throughout much of the year, which is one reason it is useful in landscaping and shade planting.

Flowers

The flowers are one of katmon’s most attractive features.

Katmon produces large white flowers, with Philippine references describing blooms that can reach roughly 10 to 15 centimeters across.

The flowers stand out against the tree’s green foliage and contribute to its value as an ornamental plant.

Fruit

The katmon fruit is round, green, fleshy, and edible.

Its most distinctive characteristic is its strong acidity. The fruit is commonly described as having a flavor similar to a sour green apple.

That sourness is particularly useful in cooking, where katmon can act as a natural source of acidity.

What Does Katmon Fruit Taste Like?

Katmon fruit tastes distinctly sour and acidic, rather than sweet.

The Philippine National Parks Development Committee compares its flavor to a sour green apple. This makes katmon quite different from sweeter tropical fruits such as mango, atis, or tiesa.

For another look at unusual Philippine and tropical fruits, you can also read our guides to tropical tiesa or eggfruit and sineguelas.

Can You Eat Katmon Fruit?

Yes. Katmon fruit is edible.

The fruit can be eaten fresh, although its strong sour flavor means many people are more interested in using it as an ingredient than eating it like a sweet dessert fruit.

Its acidity gives it several culinary uses in the Philippines.

How Is Katmon Used in Filipino Cooking?

Katmon’s sour fruit has traditionally been used in several ways.

As a souring ingredient

One of the best-known uses of katmon is as a souring ingredient for dishes such as sinigang.

Research and agricultural references also document katmon being processed into products such as sinigang mixes.

Jams and jellies

Katmon can be processed into jam and jelly, providing a way to turn its naturally sour fruit into a longer-lasting food product.

Research into katmon processing has also explored ways of improving the use of this underutilized indigenous fruit.

Sauces and other products

Katmon fruit can also be used in sauces and other processed food products.

The Philippine Department of Agriculture’s research and extension work has looked at katmon as a potential food and livelihood crop, particularly in areas where the fruit remains locally available.

If you enjoy reading about lesser-known Philippine fruits, our Kaong guide covers another unusual tropical fruit and its culinary uses.

Does Katmon Have Medicinal Uses?

Katmon has a history of traditional medicinal use, and researchers have studied compounds found in different parts of the plant.

However, traditional use and laboratory research should not be presented as proof that katmon can treat or prevent specific diseases.

A Philippine Council for Agriculture, Aquatic and Natural Resources Research and Development report describes traditional uses involving the fruit, leaves, flowers, and bark. The same source also notes that additional research is needed to determine whether promising compounds are sufficiently safe for human testing.

For that reason, it is more accurate to describe katmon as a plant with documented traditional uses and ongoing scientific interest, rather than claiming established medical benefits.

Other Uses of the Katmon Tree

Katmon has value beyond its fruit.

Landscaping and shade

Katmon is used as an ornamental and shade tree because of its evergreen foliage and large white flowers.

The Department of Environment and Natural Resources includes katmon among Philippine native tree species suitable for urban greening. Its dense foliage can provide shade, while its flowers can add ornamental value to parks, gardens, and other landscaped spaces.

Timber

The wood of Dillenia philippinensis has documented uses in construction, furniture, cabinets, flooring, and other wooden applications.

Because katmon is a native species with conservation importance, timber use should be considered alongside responsible forest management and sustainable propagation.

Traditional materials

The bark has also been documented as a source of red dye, adding another example of the tree’s traditional utility.

Is Katmon Endemic to the Philippines?

Yes.

Dillenia philippinensis is endemic to the Philippines.

This is one of the most important facts about the species. It is not simply a Southeast Asian tree that happens to grow in the Philippines. Its recognized native range is the Philippines.

That makes katmon part of the country’s distinctive native flora and one reason it appears in Philippine native-tree and urban-greening references.

Is Katmon Endangered?

Katmon is currently classified as Near Threatened (NT) under the IUCN Red List.

Near Threatened is not the same as Endangered. It indicates that the species is close to qualifying for a threatened category and deserves conservation attention.

This is particularly relevant when considering wild collection. Nursery-propagated or legally sourced planting material is a more responsible choice than removing plants from natural habitats.

Can You Grow a Katmon Tree at Home?

Yes, katmon can be grown as a landscape or fruit-bearing tree, but the most important consideration is space.

A mature katmon can reach around 6 to 15 meters, so it is better suited to a garden, large yard, farm, or other open location than to a small container garden.

Sunlight

Katmon does well with full sunlight.

Choose an open planting site where the tree can receive plenty of light as it grows.

Watering

The National Parks Development Committee recommends moderate watering.

Young trees need consistent moisture while becoming established, but the planting site should still drain properly rather than remaining continuously waterlogged.

Soil and drainage

A moist but well-drained soil is a sensible choice for katmon.

Good drainage helps prevent problems associated with prolonged water saturation around the roots.

Space

Think about the tree’s mature size before planting.

Avoid planting katmon directly beside buildings, overhead utilities, narrow walkways, or other areas where a full-sized tree could eventually become difficult to manage.

Pruning

Pruning can be used to remove dead or damaged branches and to maintain a practical structure as the tree develops.

There is no need to prune a healthy tree aggressively just for the sake of shaping it. The goal should be to maintain good structure and remove genuine problem growth.

How Is Katmon Propagated?

Seed propagation is a documented method of propagating Dillenia philippinensis.

Researchers at the University of the Philippines Los Baños have also studied mature stem cuttings as a way to propagate katmon. Their work found that mature stem cuttings could successfully produce new plants under the study conditions.

This research is important because improved propagation methods can help increase the availability of cultivated katmon while reducing reliance on collecting wild plants.

For a home gardener, obtaining a healthy nursery-grown katmon seedling is generally more practical than attempting specialized propagation techniques without experience.

Katmon vs. Indian Catmon: Are They the Same?

No. They are related, but they are different species.

Philippine katmon

Dillenia philippinensis is the Philippine endemic species commonly called katmon or Philippine catmon.

Indian catmon

Dillenia indica is a separate Dillenia species whose native range includes parts of South and Southeast Asia.

The shared common names can cause confusion, especially because elephant apple is used for more than one Dillenia species.

When researching Philippine katmon, the safest way to identify the correct plant is to look for the scientific name Dillenia philippinensis.

Katmon on the Philippine 25-Sentimo Coin

Katmon also has a place in modern Philippine currency.

Did you know?

You could see the Katmon flower featured on the reverse side of the Philippine twenty-five centavo coin since 2018 as part of the New Generation Currency Coin Series.

The 25-sentimo coin in the New Generation Currency Coin Series features katmon on its reverse side.

The Bangko Sentral ng Pilipinas released the New Generation Currency Coin Series on March 26, 2018. The series uses Philippine endemic flora as part of its designs.

So even people who have never encountered a katmon tree in person may have seen its flower represented on a Philippine coin.

Why Is Katmon Important?

Katmon is a good example of an underutilized Philippine native tree with several practical and cultural uses.

Its fruit can provide a distinctive souring ingredient and can be processed into products such as jams and jellies. Its flowers and evergreen leaves make it useful for landscaping and shade. Its wood has documented applications, while its bark has traditional uses.

At the same time, its status as a Philippine endemic and Near Threatened species gives the tree a conservation dimension that is easy to overlook.

Growing native trees such as katmon responsibly can help keep these species visible and valued outside their natural habitats.

Frequently Asked Questions About Katmon

What is katmon?

Katmon is the common name for Dillenia philippinensis, an evergreen tree endemic to the Philippines.

Is katmon native to the Philippines?

Yes. Dillenia philippinensis is endemic to the Philippines.

Is katmon fruit edible?

Yes. The fruit is edible and is used fresh and as a cooking ingredient.

What does katmon fruit taste like?

Katmon fruit is strongly sour, with a flavor often compared with a sour green apple.

Is katmon used in sinigang?

Yes. Katmon fruit is documented as a souring ingredient for sinigang and has also been processed into sinigang mixes, jams, and other products.

How tall does a katmon tree grow?

Philippine government references describe katmon as growing approximately 6 to 15 meters tall.

Does katmon grow in full sun?

Yes. The National Parks Development Committee recommends full sunlight for katmon.

Is katmon endangered?

Katmon is currently classified as Near Threatened, rather than Endangered, on the IUCN Red List.

Can katmon be grown from cuttings?

Yes. Research from the University of the Philippines Los Baños has demonstrated propagation using mature stem cuttings. Seed propagation is also documented.

Is katmon the same as elephant apple?

The name elephant apple can refer to different Dillenia species, so the common name can be confusing. For Philippine katmon, look for the scientific name Dillenia philippinensis.

Final Thoughts

The katmon tree (Dillenia philippinensis) is one of the Philippines’ distinctive native trees, combining ornamental, culinary, material, and ecological value.

Its sour fruit makes it particularly interesting in Filipino cuisine, where it can be used for souring dishes such as sinigang and for making processed products. Its large white flowers and glossy evergreen leaves also make it an attractive landscape tree.

Most importantly, katmon is a Philippine endemic species currently classified as Near Threatened. Learning about it, planting responsibly sourced trees, and supporting the conservation of native species are practical ways to keep this part of Philippine botanical heritage from being overlooked.

Sources and Further Reading

• Kew Plants of the World Online: Dillenia philippinensis
• National Parks Development Committee: Catmon
• DENR: Philippine Guidebook on Plant Species Suitable for Urban Greening
• DOST-PCAARRD: Katmon’s Phytochemical Constituents and Biological Activities Studied
• UPLB research on propagating katmon using mature stem cuttings
• Bangko Sentral ng Pilipinas: New Generation Currency Coin Series

Also Read: Kaong: The Sweet Sugar Palm Fruit, Growing Tips, And Nutritional Benefits

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Lara Sacdalan

Lara is a freelance content writer and a cat mom to three furbabies, Mizu, Haru and Sora.

She graduated with a Bachelor’s Degree in Architecture and is a registered and licensed Architect. Aside from writing, she is fond of growing cacti and succulents and is a DIY type of girl.

During her free time, she engages herself in water-colouring and crocheting, while catching-up with an old tv series she just discovered. Lara loves to explore new places, but most of the time stays in her hometown province, reading historical romance novels over a cup of coffee – or matcha.