Plants Starting With O [Full List]

Orange turnera. This is the only plant that first came to our mind when it comes to plant names that begins with O. Could there be more plants with names beginning with the O alphabet? So we got our coffee ready and begin our hours of looking through resources to find the full list. We have put together a list of plants starting with O letter in this blog post.

This other lists of plant names could interest you too.

Since we are on the letter O, we thought you may like to check fruit names that start with letter O and flower names that start with letter O.

24 Plants Starting With O at a glance

There are quite a number of plant names beginning with O. In total, there are 24 of such names. Below is the list of plants beginning with O.

  1. Orangeade bromeliad (aka Aechmea blanchetiana)
  2. Octopus agave (aka Agave vilmoriniana)
  3. Orange crownshaft palm (aka Areca vestiaria)
  4. Otak udang tajam (aka Buchanania sessilifolia)
  5. Orange bulbine (aka Bulbine frutescens)
  6. Orange cestrum (aka Cestrum aurantiacum)
  7. Orchid (aka Clitoria fairchildiana)
  8. Orange tulip ginger (aka Costus productus)
  9. Oak leaf fern (aka Drynaria quercifolia)
  10. Ozelot sword (aka Echinodorus)
  11. Ordeal (aka Erythrophleum suaveolens)
  12. Obscure morning glory (aka Ipomoea obscura)
  13. Orange shrimp (aka Justicia fulvicoma)
  14. Orange medinilla (aka Medinilla scortechinii)
  15. Olive (aka Olea europaea)
  16. Old man of the mountain (aka Oreocereus trollii)
  17. Oriental arbor vitae (aka Platycladus orientalis)
  18. Orange milkwood (aka Tabernaemontana aurantiaca)
  19. Okari nut (aka Terminalia kaernbachii)
  20. Orange turnera (aka Turnera aurantiaca)
  21. Oval leaf mistletoe (aka Viscum ovalifolium)
  22. Oriental chain fern (aka Woodwardia orientalis)
  23. Obedient (aka Physostegia virginiana)
  24. Oleander (aka Nerium oleander)

More on Plants That Start With O

Orangeade bromeliad

Orangeade bromeliad has a scientific name of Aechmea blanchetiana. Orangeade bromeliad belongs to Bromeliaceae family. This plant is a herbaceous shrub. It is found in tropical regions. This plant grows in both dry soils and well-drained soils. The lifespan for Orangeade bromeliad is perennial.

Characteristics for leaves for Orangeade bromeliad:

  • arrangement of leaf along the plant stem: rosulate
  • color of leaves: orange

Octopus agave

Octopus agave has a scientific name of Agave vilmoriniana. Octopus agave belongs to Asparagaceae family. Octopus agave is a herbaceous shrub. It is found in tropical regions. It grows in both dry soils and well-drained soils. Its lifespan is perennial. This plant has evergreen foilage.

Characteristics for leaves for Octopus agave:

  • arrangement of leaf along the plant stem: rosulate
  • texture of leaves: thick
  • color of leaves: green

Orange crownshaft palm

Orange crownshaft palm has a scientific name of Areca vestiaria. Orange crownshaft palm belongs to Arecaceae (Palmae) family. The height for Orange crownshaft palm is around 9 metres. The foilage of Orange crownshaft palm is evergreen. Its fruit is orange and red in color.

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Characteristics for leaves for Orange crownshaft palm:

  • venation pattern for its leaves: parallel
  • texture of leaves: glossy
  • color of leaves: green

Otak udang tajam

Otak udang tajam has a scientific name of Buchanania sessilifolia. Otak udang tajam belongs to Anacardiaceae family. It is a tree. You may see this plant in tropical parts of the world. It grows in moist well drained soils. The color of its fruit is green.

Characteristics for leaves for Otak udang tajam:

  • color of leaves: green

Orange bulbine

Orange bulbine has a scientific name of Bulbine frutescens. Orange bulbine belongs to Asphodelaceae family. This plant is a creeper shrub. This plant has a perennial lifespan. Orange bulbine grows to a height of 0.3 to 0.6 metres. The foilage of Orange bulbine is evergreen.

Characteristics for leaves for Orange bulbine:

  • color of leaves: green

Orange cestrum

Orange cestrum has a scientific name of Cestrum aurantiacum. Orange cestrum belongs to Solanaceae family. It is a woody shrub. It is found in places with sub-tropical climate. Its natural habitat is mountain. It needs to have well-drained soils that is fertile and loamy. Its lifespan is perennial. The height for this plant is around 0.9 to 3 metres. Orange cestrum has evergreen foilage. The Orange cestrum fruit is a berry with white color.

Characteristics for leaves for Orange cestrum:

  • venation pattern for its leaves: pinnate
  • arrangement of leaf along the plant stem: alternate
  • apex tip of leaves: acute and acuminate
  • apex base of leaves: rounded
  • texture of leaves: smooth
  • color of leaves: green

Orchid

Orchid has a scientific name of Clitoria fairchildiana. Orchid belongs to Fabaceae (Leguminosae) family. It is a small sized tree. You may see this plant in tropical and sub-tropical areas. This plant grows in well-drained soils that is fertile and loamy. The lifespan for Orchid is perennial. This plant grows to a height of 8 to 15 metres. The foilage of Orchid is evergreen. Its fruit is brown in color and is a legume .

Characteristics for leaves for Orchid:

  • venation pattern for its leaves: pinnate
  • arrangement of leaf along the plant stem: alternate
  • apex tip of leaves: acuminate
  • texture of leaves: rough and raised
  • color of leaves: green

Orange tulip ginger

Orange tulip ginger has a scientific name of Costus productus. Orange tulip ginger belongs to Costaceae family. Orange tulip ginger is a herbaceous plant. This plant is found in tropical regions. Moist well drained soils that is fertile and loamy is required for Orange tulip ginger. This plant has a perennial lifespan. This plant grows to a height of 0.6 to 0.9 metres. The foilage of Orange tulip ginger is evergreen. The Orange tulip ginger fruit belongs to the capsule type. Orange tulip ginger’s natural pest is sucking insects.

Characteristics for leaves for Orange tulip ginger:

  • texture of leaves: hairy
  • color of leaves: green

Oak leaf fern

Oak leaf fern has a scientific name of Drynaria quercifolia. Oak leaf fern belongs to Polypodiaceae family. This plant is a epiphyte. It is found in places with tropical climate. The lifespan for this plant is perennial. The height for Oak leaf fern is around 1.5 metres. The foilage of Oak leaf fern is evergreen.

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Characteristics for leaves for Oak leaf fern:

  • texture of leaves: leathery
  • color of leaves: brown and green

Ozelot sword

Ozelot sword has a scientific name of Echinodorus. Ozelot sword belongs to Alismataceae family. The lifespan for this plant is perennial. The foilage of Ozelot sword is evergreen.

Characteristics for leaves for Ozelot sword:

  • arrangement of leaf along the plant stem: basal
  • apex tip of leaves: acuminate
  • apex base of leaves: rounded and cuneate
  • texture of leaves: smooth
  • color of leaves: green

Ordeal

Ordeal has a scientific name of Erythrophleum suaveolens. Ordeal belongs to Fabaceae (Leguminosae) family. Ordeal is a medium sized tree. You may see this plant in tropical regions. It needs to have moist well drained soils that is fertile and loamy. Its lifespan is perennial. It has a height of 20 metres. It has evergreen foilage. The fruit of Ordeal is brown in color and is a legume .

Characteristics for leaves for Ordeal:

  • venation pattern for its leaves: pinnate
  • arrangement of leaf along the plant stem: alternate
  • texture of leaves: leathery
  • color of leaves: green

Obscure morning glory

Obscure morning glory has a scientific name of Ipomoea obscura. Obscure morning glory belongs to Convolvulaceae family. It is found in tropical and sub-tropical areas. Obscure morning glory needs to have well-drained soils.

Characteristics for leaves for Obscure morning glory:

  • color of leaves: green

Orange shrimp

Orange shrimp has a scientific name of Justicia fulvicoma. Orange shrimp belongs to Acanthaceae family. It is a woody shrub. You may see it in tropical parts of the world. Orange shrimp needs to have well-drained soils. This plant has a perennial lifespan. This plant has evergreen foilage.

Characteristics for leaves for Orange shrimp:

  • venation pattern for its leaves: pinnate
  • apex tip of leaves: acute and acuminate
  • apex base of leaves: acute and rounded
  • texture of leaves: hairy
  • color of leaves: green

Orange medinilla

Orange medinilla has a scientific name of Medinilla scortechinii. Orange medinilla belongs to Melastomataceae family. It is found in sub-tropical regions. This plant grows in well-drained soils that is fertile and loamy. Its lifespan is perennial. The foilage of Orange medinilla is evergreen.

Characteristics for leaves for Orange medinilla:

  • venation pattern for its leaves: pinnate
  • arrangement of leaf along the plant stem: opposite
  • texture of leaves: leathery, thick and smooth
  • color of leaves: green

Olive

Olive has a scientific name of Olea europaea. Olive belongs to Oleaceae family. It is a tree. This plant is found in places with mediterranean climate. Well-drained soils is required for Olive. This plant has evergreen foilage. Its fruit is black in color.

Characteristics for leaves for Olive:

  • color of leaves: silver and green

Old man of the mountain

Old man of the mountain has a scientific name of Oreocereus trollii. Old man of the mountain belongs to Cactaceae family. It is a succulent plant. This plant is found in highland areas. You can see it in mountain. It thrives in both dry soils and well-drained soils.

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Oriental arbor vitae

Oriental arbor vitae has a scientific name of Platycladus orientalis. Oriental arbor vitae belongs to Cupressaceae family. Oriental arbor vitae is a medium sized tree. This plant is found in regions of tropical and sub-tropical climate. The lifespan for Oriental arbor vitae is perennial. It has evergreen foilage.

Characteristics for leaves for Oriental arbor vitae:

  • texture of leaves: scaly
  • color of leaves: green

Orange milkwood

Orange milkwood has a scientific name of Tabernaemontana aurantiaca. Orange milkwood belongs to Apocynaceae family. Orange milkwood is a small shrubby tree. This plant is found in tropical parts of the world. It grows in well-drained soils that is fertile and loamy. This plant has a perennial lifespan. It has evergreen foilage. The color of its fruit is orange.

Characteristics for leaves for Orange milkwood:

  • color of leaves: green

Okari nut

Okari nut has a scientific name of Terminalia kaernbachii. Okari nut belongs to Combretaceae family. Okari nut is a tree.

Characteristics for leaves for Okari nut:

  • color of leaves: green

Orange turnera

Orange turnera has a scientific name of Turnera aurantiaca. Orange turnera belongs to Turneraceae family. This plant is a shrub. It is found in areas with tropical and sub-tropical climate. It grows in moist well drained soils that is fertile and loamy. The lifespan for this plant is perennial. It has evergreen foilage.

Characteristics for leaves for Orange turnera:

  • venation pattern for its leaves: pinnate
  • arrangement of leaf along the plant stem: alternate
  • color of leaves: green

Oval leaf mistletoe

Oval leaf mistletoe has a scientific name of Viscum ovalifolium. Oval leaf mistletoe belongs to Santalaceae family. It is a shrub. You may see this plant in tropical areas. The fruit of Oval leaf mistletoe is orange in color.

Characteristics for leaves for Oval leaf mistletoe:

  • venation pattern for its leaves: parallel
  • apex tip of leaves: obtuse
  • apex base of leaves: attenuate
  • texture of leaves: leathery
  • color of leaves: green

Oriental chain fern

Oriental chain fern has a scientific name of Woodwardia orientalis. Oriental chain fern belongs to Blechnaceae family. It is a herbaceous plant. Moist well drained soils is required for Oriental chain fern.

Characteristics for leaves for Oriental chain fern:

  • color of leaves: green

Obedient

Obedient has a scientific name of Physostegia virginiana. Obedient belongs to Lamiaceae (Labiatae) family. Obedient is a herbaceous plant. You may see it in temperate regions. Obedient needs to have moist well drained soils. The lifespan for Obedient is perennial. The foilage of Obedient is evergreen.

Characteristics for leaves for Obedient:

  • arrangement of leaf along the plant stem: opposite
  • apex tip of leaves: acute
  • apex base of leaves: acute
  • color of leaves: green

Oleander

Oleander has a scientific name of Nerium oleander. Oleander belongs to Apocynaceae family. It is a woody shrub. It is found in areas with tropical, sub-tropical and mediterranean climate. This plant grows to a height of 4 metres. Oleander has evergreen foilage. The pest for Oleander is sucking insects.

Characteristics for leaves for Oleander:

  • texture of leaves: leathery
  • color of leaves: green

Conclusion

We have reached to end of the list. After an exhaustive search on all the resources, that’s all we can manage to find. This list of plant that start with letter O really took up a lot of time to find. Though there weren’t much of these names, we hope it will be of some use to you.

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