Vegetables Starting With O [Full List]

Onion. Period. we could only think of this one name when it comes to vegetable names that begins with O. We believe there will be more of these vegetable names. So we got our coffee ready and begin our hours of looking through resources to find the full list. We have compiled a list of vegetables starting with O letter in this post.

Don’t miss out on our other lists here too.

Perhaps these other lists for the letter O may be of interest to you too.

12 Vegetables Starting With O at a glance

We only managed to find a handful of vegetable names beginning with O. In total, we got 12 of such names into this list. Below is the list of vegetables beginning with O.

  1. Onion (aka Allium cepa)
  2. Oil palm (aka Elaeis guineensis)
  3. Otaheite gooseberry (aka Phyllanthus acidus)
  4. Oval-leafed pondweed (aka Pontederia vaginalis)
  5. Okra (aka Abelmoschus esculentus)
  6. Oriental Onion (aka Allium chinense)
  7. Orange Cosmos (aka Cosmos sulphureus)
  8. Okinawan Spinach (aka Gynura bicolor)
  9. Oje (aka Pachira aquatica)
  10. Opiuma (aka Pithecellobium dulce)
  11. Obahu (aka Pometia pinnata)
  12. Otaheite Apple (aka Spondias dulcis)

More on Vegetables That Start With O

Onion

Onion has a scientific name of Allium cepa. Onion belongs to Amaryllidaceae family. Onion is a grass-like plant. It is found in sub-tropical regions. Its lifespan is biennial.

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Oil palm

Oil palm has a scientific name of Elaeis guineensis. Oil palm belongs to Arecaceae (Palmae) family. Oil palm is a solitary palm. The Oil palm fruit is red in color.

Otaheite gooseberry

Otaheite gooseberry has a scientific name of Phyllanthus acidus. Otaheite gooseberry belongs to Phyllanthaceae family. It is found in areas with tropical climate. It grows in moist well drained soils that is fertile and loamy. Otaheite gooseberry has a perennial lifespan. The height for Otaheite gooseberry is around 2 to 9 metres. The foliage of Otaheite gooseberry is evergreen. The fruit of Otaheite gooseberry is cream in color.

Oval-leafed pondweed

Oval-leafed pondweed has a scientific name of Pontederia vaginalis. Oval-leafed pondweed belongs to Pontederiaceae family. This is found in regions of sub-tropical and tropical climate. It is found in riverine. Waterlogged soils is required for Oval-leafed pondweed. The lifespan for Oval-leafed pondweed is perennial. The Oval-leafed pondweed fruit is black and brown in color and is a capsule.

Okra

Okra has a scientific name of Abelmoschus esculentus. Okra belongs to Malvaceae family. It is a herbaceous plant. You may see it in tropical regions. Its lifespan is annual. The height for Okra is around 1 to 1.8 metres. The foliage of Okra is evergreen. The Okra fruit is a capsule with brown color.

Oriental Onion

Oriental Onion has a scientific name of Allium chinense. Oriental Onion belongs to Amaryllidaceae family. It is a herbaceous plant. This is found in places with temperate climate. The lifespan for Oriental Onion is perennial. The height for Oriental Onion is around 0.3 metres.

Orange Cosmos

Orange Cosmos has a scientific name of Cosmos sulphureus. Orange Cosmos belongs to Asteraceae (Compositae) family. Orange Cosmos is a herbaceous plant. This is found in desert regions. Its lifespan is annual. This has evergreen foliage. Its natural pests are chewing insects and sucking insects.

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Okinawan Spinach

Okinawan Spinach has a scientific name of Gynura bicolor. Okinawan Spinach belongs to Asteraceae (Compositae) family. Okinawan Spinach is a herbaceous plant. Well-drained soils that is fertile and loamy is required for Okinawan Spinach. Its lifespan is perennial. The height for Okinawan Spinach is around 1 metres. The color of Okinawan Spinach fruit is purple.

Oje

Oje has a scientific name of Pachira aquatica. Oje belongs to Malvaceae family. It is a medium sized tree. It is found in regions with tropical climate. This can be found in riverine. The lifespan for Oje is perennial. The height for Oje is around 15 to 20 metres. The foliage of Oje is evergreen. The fruit of Oje is brown and yellow in color.

Opiuma

Opiuma has a scientific name of Pithecellobium dulce. Opiuma belongs to Fabaceae (Leguminosae) family. It is a tree.

Obahu

Obahu has a scientific name of Pometia pinnata. Obahu belongs to Sapindaceae family. This is a medium sized tree. You may see this in sub-tropical and tropical parts of the world. Its natural habitat is freshwater swamp forest, monsoon forest, primary rainforest, secondary rainforest and riverine. Obahu needs to have moist well drained soils that is fertile and loamy. The lifespan for Obahu is perennial. The height for Obahu is around 20 to 50 metres. The foliage of Obahu is evergreen. Its fruit is a drupe of red color.

Otaheite Apple

Otaheite Apple has a scientific name of Spondias dulcis. Otaheite Apple belongs to Anacardiaceae family. It is a small sized tree. You may see this in tropical parts of the world. Their natural habitats are primary rainforest. This thrives in well-drained soils. The lifespan for Otaheite Apple is perennial. Otaheite Apple grows to a height of 9 to 12 metres.

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Conclusion

We have reached to end of the list. We only manage to find this short list after conducting an exhaustive search on all the resources we could gather. It took us quite some time to put up this list but nevertheless, we have really enjoyed every bit of putting up this list of vegetable that start with letter O.

Now that you have seen this list of vegetables starting with O, we thought you may also like to find out on these lists.