Flowers Starting With O [Full List]

Note: This page contains affiliate links. As an Amazon Associate, I earn from qualifying purchases when you click on the link, but you are not charged extra.

Orange shrimp. This is the only flower that we thought of when it comes to flower names that begins with O. We want to build a longer list of flower names. 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 flowers starting with O letter in this blog post.

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

Since we are on the letter O, we thought you may like to check fruits that start with O.

22 Flowers Starting With O at a glance

There are only a handful of flower names beginning with O. A total of 22 of such names are found. These are the flowers beginning with O.

  1. Orangeade bromeliad (aka Aechmea blanchetiana)
  2. Octopus agave (aka Agave vilmoriniana)
  3. Onion (aka Allium cepa)
  4. Orange crownshaft palm (aka Areca vestiaria)
  5. Ornamental cabbage (aka Brassica oleracea)
  6. Orange bulbine (aka Bulbine frutescens)
  7. Orange cestrum (aka Cestrum aurantiacum)
  8. Orchid (aka Clitoria fairchildiana)
  9. Orange tulip ginger (aka Costus productus)
  10. Ordeal (aka Erythrophleum suaveolens)
  11. Obscure morning glory (aka Ipomoea obscura)
  12. Orange shrimp (aka Justicia fulvicoma)
  13. Orange medinilla (aka Medinilla scortechinii)
  14. Oleander (aka Nerium oleander)
  15. Olive (aka Olea europaea)
  16. Oregano (aka Origanum vulgare)
  17. Otaheite gooseberry (aka Phyllanthus acidus)
  18. Oval-leafed pondweed (aka Pontederia vaginalis)
  19. Orange milkwood (aka Tabernaemontana aurantiaca)
  20. Orange turnera (aka Turnera aurantiaca)
  21. Oval leaf mistletoe (aka Viscum ovalifolium)
  22. Obedient (aka Physostegia virginiana)
See also  Flowers Starting With E [Full List]

More on Flowers That Start With O

Orangeade bromeliad

Orangeade bromeliad has a scientific name of Aechmea blanchetiana. Orangeade bromeliad is found in areas of tropical climate.

Characteristics for Orangeade bromeliad:

  • color of flower petals: red

Octopus agave

Octopus agave has a scientific name of Agave vilmoriniana. It is found in regions of tropical climate.

Characteristics for Octopus agave:

  • color of flower petals: yellow
  • inflorescence type of flower: raceme
  • lifespan of flowers staying on the plant: several weeks

Onion

Onion has a scientific name of Allium cepa. Onion is found in sub-tropical regions.

Characteristics for Onion:

  • color of flower petals: white
  • inflorescence type of flower: compound umbel

Orange crownshaft palm

Orange crownshaft palm has a scientific name of Areca vestiaria.

Characteristics for Orange crownshaft palm:

  • color of flower petals: cream

Ornamental cabbage

Ornamental cabbage has a scientific name of Brassica oleracea. You may see it in temperate regions.

Characteristics for Ornamental cabbage:

  • color of flower petals: yellow
  • flower symmetry: radial
  • shape of flower: cruciform
  • texture of flower: smooth
  • inflorescence type of flower: raceme

Orange bulbine

Orange bulbine has a scientific name of Bulbine frutescens. This is a bisexual flowers.

Characteristics for Orange bulbine:

  • color of flower petals: orange and yellow
  • flowering period: free-flowering
  • lifespan of flowers staying on the plant: several days

Orange cestrum

Orange cestrum has a scientific name of Cestrum aurantiacum. Orange cestrum can be seen in sub-tropical parts of the world. Their natural habitat is mountain. This is a bisexual flowers.

Characteristics for Orange cestrum:

  • color of flower petals: yellow
  • flower symmetry: radial
  • shape of flower: tubular
See also  Flowers Starting With A [Full List]

Orchid

Orchid has a scientific name of Clitoria fairchildiana. It can be seen in tropical and sub-tropical regions. This is a bisexual flowers.

Characteristics for Orchid:

  • color of flower petals: purple
  • flower symmetry: bilateral
  • inflorescence type of flower: raceme
  • flowering period: free-flowering

Orange tulip ginger

Orange tulip ginger has a scientific name of Costus productus. It can be seen in tropical areas. This is a bisexual flowers.

Characteristics for Orange tulip ginger:

  • color of flower petals: orange, yellow and red
  • texture of flower: waxy

Ordeal

Ordeal has a scientific name of Erythrophleum suaveolens. It is found in areas of tropical climate. This is a bisexual flowers.

Characteristics for Ordeal:

  • color of flower petals: cream and yellow

Obscure morning glory

Obscure morning glory has a scientific name of Ipomoea obscura. Obscure morning glory is found in regions of tropical and sub-tropical climate.

Characteristics for Obscure morning glory:

  • color of flower petals: cream

Orange shrimp

Orange shrimp has a scientific name of Justicia fulvicoma. Orange shrimp is found in tropical regions.

Characteristics for Orange shrimp:

  • color of flower petals: orange
  • flower symmetry: bilateral
  • inflorescence type of flower: spike
  • flowering period: free-flowering

Orange medinilla

Orange medinilla has a scientific name of Medinilla scortechinii. You may see it in sub-tropical parts of the world. This is a bisexual flowers.

Characteristics for Orange medinilla:

  • color of flower petals: orange
  • flower symmetry: radial
  • inflorescence type of flower: panicle
  • flowering period: free-flowering

Oleander

Oleander has a scientific name of Nerium oleander. You may see Oleander in tropical regions.

Characteristics for Oleander:

  • color of flower petals: red

Olive

Olive has a scientific name of Olea europaea. You may see this flower in mediterranean areas.

See also  Flowers Starting With N [Full List]

Characteristics for Olive:

  • color of flower petals: cream

Oregano

Oregano has a scientific name of Origanum vulgare. Oregano can be seen in sub-tropical and temperate parts of the world.

Characteristics for Oregano:

  • color of flower petals: white, purple and pink
  • shape of flower: tubular
  • texture of flower: gloss and smooth
  • inflorescence type of flower: spike
  • flowering period: free-flowering

Otaheite gooseberry

Otaheite gooseberry has a scientific name of Phyllanthus acidus. This flower can be seen in tropical regions. This is a sub-dioecious flowers.

Characteristics for Otaheite gooseberry:

  • flower symmetry: radial

Oval-leafed pondweed

Oval-leafed pondweed has a scientific name of Pontederia vaginalis. It can be seen in tropical and sub-tropical areas. Oval-leafed pondweed is found in riverine. This is a bisexual flowers.

Characteristics for Oval-leafed pondweed:

  • color of flower petals: white and blue
  • flowering period: free-flowering
  • lifespan of flowers staying on the plant: 1 day

Orange milkwood

Orange milkwood has a scientific name of Tabernaemontana aurantiaca. This flower is found in areas of tropical climate.

Characteristics for Orange milkwood:

  • color of flower petals: white

Orange turnera

Orange turnera has a scientific name of Turnera aurantiaca. Orange turnera is found in regions of tropical and sub-tropical climate. This is a bisexual flowers.

Characteristics for Orange turnera:

  • color of flower petals: orange
  • shape of flower: salverform
  • flowering period: free-flowering

Oval leaf mistletoe

Oval leaf mistletoe has a scientific name of Viscum ovalifolium. It is found in tropical regions. This is a unisexual flowers.

Obedient

Obedient has a scientific name of Physostegia virginiana. You may see Obedient in temperate parts of the world. This is a bisexual flowers.

Characteristics for Obedient:

  • color of flower petals: pink
  • flower symmetry: bilateral
  • shape of flower: tubular
  • texture of flower: smooth
  • inflorescence type of flower: spike

Conclusion

That’s the end of the list we found. We can only compile this short list after conducting an exhaustive search on all the resources we could gather. This list of flower that start with letter O really took up a lot of time to find. Though there weren’t much of these names, we do hope that it will be of some use to you.

Before you go, here’s another two interesting lists for you.