The Oil Palm Tree, Parts, Life Cycle, Uses and Care

I was born in 1980, and the palms my parents were already harvesting in Ntigha still bear fruit for my family today. Few crops keep feeding one household for that long, and the oil palm tree deserves to be known well, from its roots to its crown.

In Igbo, we call the palm nkwu, and nearly every part of it has a name and a use in Igbo Land.

Families press oil from its fruit, crack its kernels, sweep with brooms from its fronds, and drink its wine.

This guide walks through each part of the oil palm, from the roots and trunk to the fronds, flowers, and bunches.

It covers the life cycle, how long a palm lives, and what each part is used for at home in Abia State.

It also sets out the simple care routine I teach palm owners at my community workshops in Ntigha.

Want red palm oil pressed from the same old palms described on this page? You can buy fresh, unstored red oil from the Ntigha groves today.

What Is the Oil Palm Tree?

The oil palm tree, Elaeis guineensis, is a tall, single-stemmed palm native to the humid lowlands of West and Central Africa.

It grows from one bud at the top of its trunk and, with very rare exceptions, never branches.

Its fruit bunches give two oils, palm oil from the fleshy pulp and palm kernel oil from the seed inside.

Each palm carries separate male and female flower clusters, so botanists call it monoecious.

Managed plantations harvest it for about 25 to 30 years, while some village palms, like my family’s, have borne fruit for well over 40 years.

Where the Oil Palm Comes From

The oil palm grows wild across the forest belt of West and Central Africa, where people have used it for thousands of years. It needs warmth, steady rain and high humidity, which the lowlands of southern Nigeria supply in abundance.

An FAO chapter on the African oil palm recalls that its nuts first reached Europe from Africa as ship’s ballast. From there, the palm spread to plantations in Asia and Latin America, a story told in the palm’s journey out of Africa.

The exact rainfall, temperature and sunshine the tree prefers are set out in rainfall and warmth the palm needs.

Igbo Names for the Oil Palm

In Ntigha, the palm and its parts carry everyday Igbo names that every child learns early. These are the names my family and the neighbors around us use every day.

Part or productIgbo name used in Ntigha
The oil palm treeNkwu, also akwu
A frondIgu nkwu, or simply igu
A fruit bunchIke nkwu
A broom made from the frondsAziza
Palm wineNkwu elu
Palm weevil larvae from dying palmsEruru or utukuru

Parts of the Oil Palm Tree

Each part of the oil palm plays a clear role in growing, flowering and fruiting. The figures below come mainly from a Purdue University horticulture reading on Elaeis guineensis, which draws on standard oil palm references.

PartWhat it doesKey figures
RootsAnchor the palm and take up water and nutrientsDense mat in the top 35 cm of soil
TrunkHolds the crown up and stores foodUsually 20 to 30 m tall, up to 75 cm across
FrondsMake food from sunlightUp to 7.5 m long, up to 50 green fronds
FlowersProduce pollen or develop into bunchesSeparate male and female clusters
BunchesCarry the fruitAbout 1,000 to 3,000 fruits each

Roots

The oil palm has no taproot, only a mass of adventitious roots that grow out from the base of the trunk.

The Purdue reading describes a dense mat in the upper 35 cm of soil, with few roots deeper than one meter.

The roots of the oil palm tree - sprouting stage an adult stage

That shallow mat explains a problem my father faced on his farm. As his palms matured, their roots spread so widely that growing cassava and corn between them became steadily harder.

Trunk

The trunk is a single, straight stem that grows only from its tip and never thickens with age like a hardwood tree. After the first two years, it rises about 35 to 75 cm in height each year.

A mature palm oil tree trunk

Old frond bases cling to the trunk for years, giving young palms a rough, stepped surface.

The Purdue reading notes the trunk becomes smooth in older trees, from about 10 to 12 years of age.

Those clinging frond bases trap soil and moisture, so ferns and other plants readily take root in them.

Removing those ferns is part of the care routine I teach, covered further down this page.

Fronds

The frond, igu nkwu in Igbo, is a huge, feather-like leaf that can reach 7.5 m in length. Each one can carry up to 376 leaflets, and each leaflet runs about 35 to 65 cm long.

A palm frond with the slender leaves attached to both ends of the stalk

Young palms produce up to 40 new fronds a year, slowing to about 18 to 24 a year from year eight. A wild palm holds up to 50 green fronds, while plantations usually keep about 40.

The Purdue reading warns that yield declines if a palm keeps fewer than 35 green fronds.

Every frond also supports the bunch growing in its base, a link covered in the frond in full detail.

Flowers and Pollination

One oil palm produces separate male and female flower clusters, but usually not at the same time.

The palm switches between male and female phases in an irregular pattern that varies from tree to tree.

Flowers of the palm oil tree

The first fully developed flower cluster usually appears about three years after the seed germinates.

Insects carry most of the pollen, above all a small weevil, Elaeidobius kamerunicus, native to West Africa.

The Purdue reading records that this weevil was introduced into Malaysia and then Indonesia, where palms had relied on wind before. Asian plantations still depend on this African insect to set their fruit.

Crown

A typical juvenile oil palm tree with bunches

The crown sits at the top of the trunk and holds between 30 and 50 fronds at any given time.

It can spread up to 3 meters wide and is where all the tree’s photosynthesis and fruit production activity is concentrated. A healthy, dense crown is the clearest visual indicator of a productive tree.

Fruit Bunches

A pollinated female cluster ripens into a fruit bunch, ike nkwu, about four to five months later. Each bunch holds roughly 1,000 to 3,000 fruits packed around a central stalk.

The crown of the oil palm tree that holds the fronds and bunches

The FAO chapter puts a mature bunch at about 15 to 20 kg in a full production plantation. It adds that a palm at full production forms a new flower cluster about every 15 days.

The bunch itself, from stalk to spikelets, is covered in inside a fresh fruit bunch.

Fruit and Kernel

Each fruit has a thin skin, an orange oily pulp, a shell and a kernel at the center. The pulp gives red palm oil, and the kernel gives palm kernel oil.

Oil palm fruits

How those layers fit together, and how each one behaves at the mill, is set out in what sits inside each fruit.

Types of Oil Palm

The African oil palm grows in three fruit forms, called dura, tenera and pisifera, which differ mainly in the shell around the nut.

Most commercial farms plant tenera, while wild groves in West Africa are mostly thick-shelled dura.

Each form, along with the American oil palm and its hybrids, is set out in every type of oil palm compared.

Life Cycle of the Oil Palm Tree

An oil palm passes through clear stages, from a dormant seed to an old palm that slowly stops bearing.

StageTypical ageWhat happens
SeedBefore plantingThe seed sits dormant until heat and moisture wake it
NurseryAbout 12 to 14 monthsSeedlings grow in polybags until they carry 18 to 24 leaves
Young palmFirst 2 to 3 years in the fieldFronds multiply fast and the trunk begins to rise
First bearingAbout 2.5 to 3 years after plantingThe first small bunches appear
Commercial bearingFrom about 5 to 6 yearsBunches become heavy enough to harvest regularly
Peak yieldAbout 6 to 8 years after plantingBunch output reaches its highest level
Slow declineFrom the late teens onwardOutput falls gently as the palm grows taller
Old ageDecades laterThe palm withers slowly and stops bearing

The timings above come from the Purdue reading and the FAO chapter, and they describe planted, improved palms.

Wild village palms follow the same stages, but they usually start later and bear smaller crops.

Starting palms the planned way, from seed to field, is covered in starting palms from seed.

How Tall and How Long the Oil Palm Lives

Most oil palms reach 20 to 30 m, and some old village palms grow taller still. The FAO chapter notes that plantations keep producing for about 25 to 30 years, or until the palms grow too tall to harvest.

Village palms in Ntigha live far longer than that plantation cycle of replanting. The oldest palms on my family’s land are well over 40 years old, since my parents were harvesting them before I was born.

When a palm grows too tall close to a house, families usually cut it down to avoid danger.

Palms far from homes stay standing, and their height does not stop skilled climbers from reaching them.

Anatomy of the Oil Palm Tree

Anatomy of the oil palm tree trunk

The oil palm tree is built for productivity. Internally, its vascular system moves water and nutrients from the shallow roots up through the trunk to the crown.

The trunk holds fibrous tissues that provide strength and flexibility, supporting the weight of large fronds and heavy fruit bunches.

At the center, the pith stores water and nutrients during early growth.

Every internal system in this tree exists to serve one purpose, maximum fruit production.

Harvesting the Oil Palm in Ngwa

Harvesting tall village palms is skilled work, and my family pays experienced climbers to do it.

They climb with a strong rope twined from the inner veins of raffia palm fronds, carrying sharp machetes.

A man climbs at tall palm tree to harvest ripe palm bunches

We harvest every other month, because my family has several plantations and we rotate between them.

One round might bring only five bunches, another twenty, and a good round brings more.

The tools, timing and safety steps for cutting bunches are covered in climbing and cutting ripe bunches.

What Each Part of the Oil Palm Is Used For

In Ntigha, very little of the oil palm goes to waste, from its fruit to its dying trunk.

PartUse in Ntigha
Fruit pulpPressed at home into red palm oil for cooking and sale
KernelsCracked for kernel oil and black kernel oil, ude aki
Frond leafletsStripped to their stiff midribs and tied into aziza brooms
SapTapped as palm wine, nkwu elu
Dying or dead trunkCut for firewood
Dying palms left standingHome to eruru larvae, fried or cooked in pepper soup

Red Oil and Kernels

The fruit is the main reason families in Ntigha keep palms at all. Every step from bunch to keg is set out in how Ngwa people make red oil.

The kernels yield a second oil, and in my family, a black kernel oil we still make for body care. That story, and the oil itself, belongs to the kernel oil guide.

Palm Wine, Nkwu Elu

Palm wine is the sweet, milky sap collected from the oil palm and drunk fresh or lightly fermented.

A 2023 review in Frontiers in Food Science and Technology notes that fresh palm wine has little or no alcohol.

The same review cites total sugars in oil palm wine falling from about 14 percent to 11 percent by the fourth day of tapping.

That steady fermentation is why the taste grows sharper and stronger as the wine ages.

Eruru, the Larvae of Dying Palms

When an old palm begins to wither and die, my family sometimes leaves it standing on purpose. Large, edible larvae, which we call eruru or utukuru, grow inside the dying trunk.

We fry them or cook them in pepper soup, and they taste very sweet. A 2011 study in the Journal of Insect Science identifies these larvae as the African palm weevil, Rhynchophorus phoenicis, a delicacy in southern Nigeria.

Year-Round Care of the Oil Palm Tree

Through my community workshops for palm owners in Ntigha, I teach a simple routine that keeps palms healthy between harvests. The practices below come from my own farming experience, while the frond figure comes from published research.

TaskWhy it mattersWhen to do it
Clear the bush around each palmWeeds and shrubs compete with the palm for nutrientsBefore each harvest round
Prune dead and dying frondsOld fronds hide bunches and harbor pestsDuring harvest rounds
Keep enough green frondsYield falls below about 35 green frondsEvery time you prune
Mind the spacing between palmsCrowded palms compete for sunlightAt planting and when thinning
Remove ferns and climbers from the trunkThey crowd the crown and hide pestsWhenever they appear
Check for pests and bored fruitEarly action limits damageEvery harvest round
Never burn bush near palmsFire hurts the tree and delays new bunchesAlways

Spacing matters most at planting, and the layouts that work are set out in spacing palms on a new plantation. Where budgets allow, feeding a bearing palm adds steady gains on top of this routine.

The pruning point deserves care, because many owners cut too little or too much. Remove only fronds that are dead, dying or below the bunches you harvest, and leave the rest.

Common Problems on Village Palms

In Ntigha, the palms themselves seldom suffer devastating pests, though we do find borers in some fruit. The biggest damage to village palms comes from people, not from insects.

Farmers clear bush for their crops and then set it on fire close to standing palms. The heat scorches the trunk and fronds, hurts the tree and delays the next bunches for a long time.

Palms also die from old age, withering slowly over many months until the crown stops producing. These are my own observations from Ntigha, not results from a formal survey.

Larger farms face a wider range of threats, from beetles to fungal rots, covered in pests that attack oil palms.

Where the Oil Palm Grows Today

The oil palm now grows across the humid tropics, far beyond its African home. Southeast Asia, led by Indonesia and Malaysia, now grows most of the world’s palm oil on large plantations.

Nigeria remains a major grower, though much of its oil still comes from village groves like those in Ntigha. The leading producers are compared in the world’s leading palm oil producers.

The wider picture of growing the palm as a business sits in growing oil palm as a crop.

What Research Shows About the Oil Palm Tree

Research on the oil palm tree centers on its growth habit, flowering and the yield it gives across its life. Three sources stand out for anyone getting to know the palm in depth.

The Purdue reading describes a palm of 20 to 30 m with a shallow root mat and fronds up to 7.5 m long. It also warns that yield declines when a palm keeps fewer than 35 green fronds.

The FAO chapter places the productive life of plantations at about 25 to 30 years, with the first commercial crop in years five to six.

The 2011 insect study confirms the edible larvae of dying palms as the African palm weevil.

These sources have limits worth keeping in mind for anyone with village palms. Most figures come from improved plantation palms, so wild Nigerian palms may grow taller, bear later and live much longer.

Conclusion

The palms my parents harvested before 1980 still feed my family, and they show how long a well-placed oil palm can give.

Its shallow roots, rising trunk, giant fronds and heavy bunches each play a part in that long life.

Almost every piece of the tree finds a use in Igbo Land, from oil and brooms to wine and firewood.

Clear the bush around your palms, prune with care and never burn near them. Start that routine on your own palms before the next harvest round comes, and watch how they respond.

Frequently Asked Questions

How tall does an oil palm tree grow?

Most oil palms grow 20 to 30 meters tall, adding 35 to 75 centimeters yearly. Old village palms can grow even taller, which makes harvesting harder and riskier.

How long does an oil palm tree live?

Plantations harvest palms for about 25 to 30 years before replanting them. Village palms live longer, and some in my family’s groves have borne fruit for 40 years.

When does an oil palm start bearing fruit?

Planted palms bear their first bunches about two and a half to three years after planting. Regular commercial harvests then usually begin from around year five or six.

What is the oil palm tree called in Igbo?

In Igbo, the oil palm tree is called nkwu, and also akwu. A frond is igu, a bunch is ike nkwu, a broom aziza, palm wine nkwu elu.