Although it’s seemingly effortless to name fruits that start with O on first thought, in hindsight, you’d be amazed at how challenging it actually is.
Oranges, oil palms, what else? Some are even three-word long, while others are hexasyllabic.
In this blog post, learn about 14 of these fruits and discover their tastes, health benefits, and the best methods to enjoy them.
- 1. Ogallala Strawberry
- 2. Ogeechee Limes
- 3. Oil Palm
- 4. Opal Apple (Topaz apples + Golden Delicious)
- 5. Orangelo Fruit
- 6. Oranges
- 7. Oregon Grape Fruit
- 8. Orient Pear – European pears
- 9. Orin apple
- 10. Oroblanco Grapefruit
- 11. Osteen Mango
- 12. Oval Kumquat Fruit
- 13. Ozark Beauty Strawberry
- 14. Ozark Gold Apple
- 15. Opal plums
- 16. Olives
- 17. Otaheite Gooseberry (Malay Gooseberries)
Running number one on our fruits with O is the ogallala strawberry.
1. Ogallala Strawberry
Ogallala strawberries begin the list as we keep the ball rolling. They are a cross between wild Rocky Mountain strawberries and garden varieties.
Ogallala strawberries grow on herbaceous plants, which thrive in home gardens and soils other plants find less auspicious.
Its scientific name is Fragaria.
- Taste: An Ogallala strawberry is sweet as wild strawberries.
- Benefits: They are nutritious and rich in antioxidants, which help maintain proper health.
- How To Eat? As regular strawberries, they are edible as snacks but excellent for making jams and jellies.
Ogeechee lime is number 2 of our fruits with O.
2. Ogeechee Limes
Depending on the region, Ogeechee lime grows on deciduous trees called Nyssa Ogeche, Ogecho tupelo, rive lime, wild lime, or white tupelo.
Upon complete development, the Ogeechee limes develop an olive-shaped, green to reddish-yellow drupe.
Its scientific name is Nyssa ogeche.
A single seed is present within the flesh that ripens from August to October.
- Taste: Ogeechee Limes are regular limes that have thick and juicy flesh that is very acidic.
- Benefits: They are most nutritious.
- How To Eat? Cut them open, avoid their seeds, and munch them as a snack.
The oil palm is placed on number three of our list.
3. Oil Palm
Oil palm fruits are small, black fruits with a red base on complete development.
Each oil palm fruit is oval-shaped crowded in a cluster with others on short branches of their tree. (*)
Its scientific name is Elaeis guineensis.
The oil palm fruit is renowned for its single oily seed known as the kernel.
- Taste: Oil palms are present in many regions responsible for the varying description of their fruits’ taste. But they generally have a unique taste of sweetness and tartness.
- Benefits: Oil palm prevents cancer, aging, brain disease, and vitamin A deficiency.
- How To Eat? You can directly consume oil palm fresh straight from the tree or process them into oils to serve more household duties.
Fun Fact: Palm oil is bad for the environment because of the way it is harvested.
Palm oil plantations are often established by clear-cutting rainforest, which leads to a loss of habitat for animals and increased greenhouse gas emissions.
Moreover, the use of palm oil in food products has been linked to deforestation in Indonesia and Malaysia, where most of the world’s palm oil is produced. (*)
Fourth on our list is the Opal apple.
4. Opal Apple (Topaz apples + Golden Delicious)
Opal is a cultivar of apple produced by crossing Topaz apples with Golden Delicious (another apple cultivar).
Its scientific name is Malus domestica ‘Opal.’
- Taste: The flavor of the opal apple is sweet as Golden Delicious, then tart and crispy as Topaz apples.
- Benefits: The Opal apple is rich in antioxidants, vitamins, and minerals.
- How To Eat? You can savor the fruit directly or add them to salads.
5. Orangelo Fruit
Orangelo fruit is a type of citrus proven to be a cross between orange and grapefruit. It has a thick exocarp as oranges but is brighter yellow.
Its scientific name is Citrus paradisi × Citrus sinensis.
- Taste: The flavor of the orangelo fruit is reminiscent of grapefruit and orange but scarcely acidic.
- Benefits: As a citrus fruit, Oragnelo fruits are rich in fiber and vitamins but, conversely, low in calories. They help fight against cancer and prevent kidney stones.
- How To Eat? Like a grapefruit, most people eat them by cutting them in half and finishing them off with a spoon. They are easier to peel than their parent fruits.
Next on our list of fruits start with O are the famous oranges!
6. Oranges
With over 75 million tonnes of oranges produced in 2018, almost everyone has tasted the prominently global fruits.
Each orange ranges from 50 to 110 mm in diameter on maturity. Depending on their cultivar, oranges are round with yellow, orange, or green-colored skin.
Its scientific name is Citrus sinensis (L.).
- Taste: Oranges have a tropical sweet-tart flavor. In fact, they taste great overall.
- What are the benefits of eating an orange? They help boost the body’s immune system.
- How To Eat? People eat them fresh after peeling or squeezing them into fruit juices.
Fun Fact: If you eat oranges every day, you will get a lot of Vitamin C. You may also get more fiber and potassium. Some people might think that eating oranges every day is boring, but it’s really not!
There are so many different types of oranges – tangerines, mandarins, blood oranges, clementines – and each one has its own unique flavor.
Plus, you can mix them up with other fruits to create delicious salads or snacks. So go ahead and eat your oranges every day – your body will thank you for it! (*)
The Oregon grapefruit is the seventh on our list of fruits that start with O.
7. Oregon Grape Fruit
Oregon grapefruits are small purplish-black fruits that grow on the Oregon grape (Mahonia aquifolium), a flowering shrub. They are native to western North America.
The berries are produced just after the clusters of yellow flowers appear in April through May.
Note that the Oregon Grape Fruit does not resemble grapefruit’s in flavor, color, or shape.
- Taste: People describe the taste as quite tart.
- Benefits: Oregon grapefruits are rich in vitamin C.
- How To Eat? You can eat them fresh or employ them in jellies, jams, or preserves.
8. Orient Pear – European pears
Orient pear is a hybrid fruit produced from the cross between European pear and Asian.
They are strikingly yellow, round, and thick-skinned, enclosing creamy flesh.
It doesn’t take long for an orient pear tree to produce fruits, reaching up to 20 feet long.
- Taste: Orient pears are mildly sweet.
- Benefits: They are excellent sources of dietary fiber, which help regulate cholesterol.
- How To Eat? Like other pears, wash its skin, cut it in half, slice away the seeds, and enjoy!
9. Orin apple
Orin apples come from a cross between Indo apple varieties and Golden Delicious.
The Orin apple comes in medium or large sizes, with a yellow-green skin enclosing a white crisp textured inner.
Its scientific name is Malus domestica.
- Taste: Their juicy flavor is sweet with traces of acidity. Some people describe it as pear-like, while others say it is reminiscent of pineapple.
- Benefits: They are rich in dietary fiber and vitamin C.
- How To Eat: They are naturally sweet; you can enjoy them fresh or sliced in salads. You can also utilize them in sauces, pies, and muffins.
10. Oroblanco Grapefruit
Oroblanco grapefruits are either round or oblong, with a thick, creamy-white rind.
Its scientific name is Citrus maxima × Citrus paradisi.
- Taste: Unlike grapes, as its name suggests, the oroblanco fruit has a sweet flavor even when the skin is still green.
- Benefits: The oroblanco fruit is an excellent source of vitamins A and C, with fiber.
- How To Eat: You can add the oroblanco fruit to candies, desserts, pies, and cakes.
11. Osteen Mango
Osteen mango is a cultivar of regular mangoes originating in Florida, USA.
When fully developed, an Osteen mango is smooth with green dark-purple skin.
- Taste: Osteen mangoes are mildly sweet.
- Benefits: Like mangoes, Osteen mangoes are nutrient-filled and low in calories.
- How To Eat: When fully ripe, you can best savor their flesh fresh, out-of-hand. Please discard the skin and seed.
12. Oval Kumquat Fruit
As highlighted in its name, an oval kumquat fruit or nagami kumquat is oval when ripe with thick, striking yellow-orange exocarp.
Its scientific name is Citrus margarita.
- Taste: The oval kumquat fruit contains a juicy pulp that is mildly sweet and acidic. Its skin is also edible and sweet.
- Benefits: The oval kumquat fruit is rich in vitamins A and C, fiber, and antioxidants.
- How do you eat kumquat fruit? Most people enjoy this fruit fresh, but it can be preserved and made into jellies and jams. Note that the seeds of the oval kumquat are not as crunchy as other strawberries.
13. Ozark Beauty Strawberry
The Ozark beauty strawberry is among the myriad varieties of strawberries.
When ripe, they are deep-red from the skin to inner flesh about the size and shape of regular strawberries.
- Taste: They taste great! Ozark beauty strawberries are sweet, maybe too sweet to some people, but with excellent strawberry flavor.
- Benefits: They are rich in vitamin C and manganese.
- How To Eat: Munch them fresh or employ them into preserves, jams, and jellies.
14. Ozark Gold Apple
The Ozark gold apple is a commercially successful hybrid cross of Golden Delicious and A1291.
They are large and bright yellow with waxy skin when mature.
- Taste: They have a sweet, delicately tart, mildly acidic flavor.
- Benefits: They are excellent sources of vitamins C & B6. They also aid digestion and boost the immune system.
- How To Eat: Like apples, you can enjoy them straight from the tree as a snack.
15. Opal plums
Opal plums are hybrid cultivars with mottled golden to yellow skin indicating maturity. They are medium-size and grow in clusters on their typically 8-foot tall tree.
- Taste: Most people who tasted it say its sweet and juicy flavor hints gage.
- Benefits: Like plums, they are excellent sources of vitamins, minerals, and antioxidants. They also reduce the risk of diabetes and cancer.
- How To Eat: You can enjoy them fresh as a snack, but they are also great when cooked.
16. Olives
Natural olives are small, oval drupes with one or two seeds. Commonly, there are green olives and black olives in terms of skin color.
- Taste: Olives taste like a sour fruit that has a slightly bitter aftertaste.
- Benefits: Olives are rich in antioxidants and also linked to increased heart health.
- How To Eat: They’re fun to consume fresh or in salads. Also, try turning them into olive oils to explore other sumptuous applications.
Fun Fact: Olives have a number of potential benefits for women. These include providing antioxidants and healthy fats, helping to regulate blood sugar levels, and even potentially reducing the risk of some cancers. Of course, as with anything, moderation is key – too many olives can lead to gastrointestinal distress!
17. Otaheite Gooseberry (Malay Gooseberries)
Mature Otaheite gooseberries, also called star gooseberries, are in appetizing clusters near their tree (P. acidus) tops. They are small, round, green to light-yellow, and vertically ribbed.
- Taste: They taste sour and tart.
- Benefits: They are used for medicinal purposes to treat stomach ulcers and are utilized for making natural liver tonics.
- How To Eat: People relish their sour-tart flavor raw or cooked and in fruit juices. They can also be made into syrups and preserves.
Final Thoughts
How do you find our fruits list so far? These should give you a headstart if you’re ever asked about fruits that start with O.
It’s a good thing you won’t need to rack your brains anymore. But aside from listing, how many have you tasted? Which do you recommend most? We highly count on your response!

After checking a list of fruits with names starting with the letter O, you might also want to check another fruits name list: