What is the most common plant in Qatar?
What are the most common trees in Qatar?

Oleander
1. Oleander
Nerium oleander, colloquially known as oleander, is a shrub or a small tree, known for its majestic pink five-lobed flowers and deep green lanceolate leaves. Oleander is one of the most poisonous popular decorative garden plants, so it is advised to keep small children and pets away from it.
Plant Height:
2 m to 6 m
Common fig
2. Common fig
Ficus carica, colloquially known as the common fig, is a deciduous small tree or shrub widely known for its sweet, chewy fruits. This shrubby plant has a very, very long cultivation history. The earliest evidence of its cultivation was found in the Jordan Valley and go all the way back to the tenth millennium BC.
Plant Height:
3 m to 10 m
Pomegranate
3. Pomegranate
Pomegranate (Punica granatum) is a deciduous shrub or small tree, native to western and southern parts of Asia. It has a long history of cultivation and rich symbolism in polytheistic religions. Fruits of pomegranate play an important role in many West Asian cuisines. Aside from culinary uses, this fruit-bearing shrub is also cultivated for ornamental purposes.
Plant Height:
1.8 m to 6 m
4. Peacock flower
The peacock flower, Barbados' national flower, is a striking ornamental plant commonly grown in public and private gardens. Although the seeds of this flower are toxic if consumed, the fruits are edible. Some parts of this plant are used as medicine by Indonesians and West Indians. This plant is toxic to dogs and cats but provides food for butterflies and bees. 
Plant Height:
3 m
Glory bower
5. Glory bower
Glory bower (Volkameria inermis) can be found growing natively in Southeast Asia, India, Australia, and some Pacific Islands. Its evergreen branches can take the form of a bush or a climber. Its tough nature and good response to trimming make it a great selection for creating topiaries or hedges. The flowers are so fragrant that they often overwhelm other scents in the area!
Plant Height:
1.8 m to 2.5 m
Apple of Sodom
6. Apple of Sodom
Apple of Sodom, or Calotropis procera, is an extremely poisonous plant. The fruit of this plant ripens and bursts, causing the seeds to scatter. In Jamaica, the fibers inside of the fruit are collected and used to stuff pillows.
Plant Height:
1.8 m to 2.5 m
Glossy shower
7. Glossy shower
Glossy shower (Senna surattensis) is an evergreen, perennial tree that blooms year-round with golden-yellow flowers. It is also called Scrambled Eggplant, Sunshine Tree, or Golden Senna. It thrives in full sun and prefers well-drained soil. It is considered an invasive weed in Asia.
Plant Height:
5 m to 7 m
Sweet acacia
8. Sweet acacia
Sweet acacia (Vachellia farnesiana) is a perennial evergreen shrub that can grow to be 2.5 to 6 m tall and 1.8 to 3 m wide. It produces fragrant, showy yellow flowers and brown fruit. It is armed with thorns on its branches and trunk. This species is salt tolerant and prefers sandy soil with a good alkaline balance. Sweet acacia attracts pollinators, birds and other wildlife.
Plant Height:
4.5 m to 9 m
Gray mangrove
9. Gray mangrove
Gray mangrove (Avicennia marina) is an important salt-loving tree that is used extensively to prevent coastal erosion. It is also extremely important to the fishing industry, particularly in Australia, where it provides protected waters for the young of many commercial species. It is not only ecologically important but economically too -- the bark is used to make dark red and brown dyes, while the wood has many crafting uses. Take care, as the seeds of gray mangrove are toxic.
Plant Height:
3 m to 10 m
Corn plant
10. Corn plant
Corn plant (Dracaena fragrans) is an evergreen, slow-growing perennial shrub native to tropical Africa. Also, it is a classic houseplant, grown in Europe since the 1800s. Its glossy green foliage that resembles corn leaves grow on top of a thick cane, which is why the plant is sometimes called “false palm tree.”
Plant Height:
4.5 m to 15 m
Rubber tree
11. Rubber tree
Rubber tree (Ficus elastica) is a large tree with wide, oval, glossy leaves. Its milky white latex was used for making rubber before Pará rubber tree came into use, hence the name. Rubber tree is an ornamental species, often grown as a houseplant in cooler climates.
Plant Height:
20 m to 40 m
Indian Laurel
12. Indian Laurel
Indian Laurel (Ficus microcarpa) is a fig tree originating in China. The indian Laurel attracts the fig wasp pollinator. In some east Asian cultures, it is believed the indian Laurel is a meeting place for spirits.
Plant Height:
15 m to 25 m
Red frangipani
13. Red frangipani
Red frangipani (Plumeria rubra) is a deciduous shrub or small tree native to Central and South America. It is widely cultivated as an ornamental plant in tropical and subtropical climates. All parts of the plant are toxic when ingested due to their high alkaloid content.
Plant Height:
2 m to 8 m
Lemon
14. Lemon
Lemon is a cultivated small evergreen tree known for its yellow, juicy, sour fruits full of citric acid. Its origins are unknown, but it was probably first created in India, China, or Burma as a hybrid of sour orange (Citrus × aurantium) and citron (Citrus medica). It is commercial fruit cultivated in warm regions around the world.
Plant Height:
2 m to 6 m
Mango tree
15. Mango tree
Mango tree is a large tree native to the Indian subcontinent. It is most well-known for the tropical fruit it produces, and mango is the national fruit of India, Pakistan, and the Philippines. Mango tree can also be used for wood after the tree’s fruit production is over. This type of wood is highly prized for making musical instruments.
Plant Height:
10 m to 20 m
Weeping fig
16. Weeping fig
Weeping fig (Ficus benjamina) is an evergreen tree native to Asia and Australia. It is one of the most popular houseplants in the world, known for its elegant, glossy leaves. However, people with allergies should avoid weeping fig, considering that it is a major source of indoor allergens. All parts of the plant are poisonous except the fruits.
Plant Height:
7 m to 30 m
Tropical almond
17. Tropical almond
Tropical almond is grown commonly as an ornamental tree. It is prized for its ability to provide shade with its large leaves. These leaves are commonly used in aquariums by fish breeders for their ability to lower the pH and heavy metal content of the water. Although the fruit of the tropical almond is edible, the taste is slightly acidic.
Plant Height:
35 m
Papaya
18. Papaya
Papaya is a fruit-bearing plant that originates from Central America. The fruits are edible and sweet and juicy when ripe. An enzyme collected from the milky sap is used as a meat softener, which if ingested may be toxic. Keeping a papaya plant in your garden will welcome many birds to your landscape.
Plant Height:
6 m to 10 m
Sacred fig
19. Sacred fig
Sacred fig or Ficus religiosa, gets its name because it is considered sacred to Buddhism, Jainism, and Hinduism. Although a member of the mulberry family, the sap of the sacred fig may cause skin reactions if handled.
Plant Height:
15 m to 25 m
Neem tree
20. Neem tree
Neem tree (*Azadirachta indica*) is a flowering tree species related to mahogany and with an appearance similar to that of the chinaberry tree. For centuries, it has played an important role in Indian culture. Commercially, the neem tree is used to produce neem oil, pesticides, and cosmetics.
Plant Height:
15 m to 40 m