Senna siamea (Burmese: မယ်ဇလီ, mezali; Thai: ขี้เหล็ก, khilek), also known as Siamese cassia, kassod tree, cassod tree and cassia tree, is a legume in the subfamily Caesalpinioideae. It is native to South and Southeast Asia, although its exact origin is unknown. It is a medium-size, evergreen tree growing up to 18 m with yellow flowers. It is often used as shade tree in cocoa, coffee and tea plantations. In Thailand it is the provincial tree of Chaiyaphum Province and some places in the country are named after it. Leaves are alternate, pinnately compound, with slender, green-reddish, tinged axis and 6 to 12 pairs of leaflets on short stalks, rounded at both ends.

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.

Yellow oleander is extremely toxic and many cases of accidental poisonings have been recorded. The toxic oils found in this plant are sometimes used in pest control measures. However, the Cascabela thevetia does have significance in some religious ceremonies, specifically the worshiping of Shiva, a Hindu deity.

Royal poinciana (Delonix regia) is also known as the “peacock tree” or the “flamboyant tree.” It’s a Madagascar native and is known for its brilliant crimson or red-yellow flowers. It grows exceedingly fast, reaching its maximum height of around 12 m in a short amount of time.

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.

Guava (*Psidium guajava*) is a fruit-producing evergreen shrub that grows natively in the Caribbean region and South America. Guava attracts the honey bee and other insects, and guava fruit is edible. Additionally, guava wood is used for smoking meat.

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.

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.

While the Pithecellobium dulce has pods that closely resemble tamarind, they actually peel away easily. The edible flesh is then separated and eaten on its own or prepared in dishes. Also known as manila tamarind, it has a spiny tree that can grow up to 20 m tall.

Pencil cactus (Euphorbia tirucalli) is a small tree shrub that grows best in warm arid climates and is named for its pencil-sized succulent branches. Pencil cactus is native to black clay soils in Africa and can be poisonous if ingested. It produces a latex compound that can be poisonous and cause blindness.

Because of its prolific blossoming, which can blanket the tree canopy and provide abundant shade, the southern silky oak is a good tree for parks. Its resplendent flowers attract bees, butterflies, and birds. Prior to the invention of aluminum, its wood, which is resistant to wood rot, was frequently used for external window joinery.

Blue jacaranda (Jacaranda mimosifolia) is a plant species native to southern South America. Blue jacaranda grows in many cities around the world. Pretoria, South Africa is known as the Jacaranda City. The blue jacaranda is often referenced in songs and literature.

The chinaberry tree is considered an invasive species in many areas because of its tendency to grow into impassable thickets and crowd out other plants. The entire chinaberry tree is poisonous to humans and many other animals, although cows and some birds have no problems eating the fruit.

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.

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.

Although the yellow trumpetbush have beautiful and bright flowers that can be pleasing to look at, this plant is considered an invasive weed in multiple countries. A native of the southern United States, Mexico, the Caribbean, Peru and Ecuador, this plant is often found on roadsides, riparian areas, disturbed sites, and other wasteland areas.

Woman's tongue (Albizia lebbeck) is a deciduous tree that can grow to 30 m tall. It has a rounded canopy and gray, rough, cork-like bark. Blooms in spring with greenish yellow flowers. Produces long hanging seed pods. Invades pine lands and hammocks, disrupting the natural flora and fauna. The wood is naturally termite resistant and is often used in furniture making.

Baobab (Adansonia digitata) is indigenous to Africa, Australia, Madagascar, and the Arabian Peninsula. It thrives in areas that are dry and hot. It lives longer than virtually all other living things, and there are specimens alive today that are 3,000 years old or more. It has a large, water-filled trunk that is 28 m or more in circumference.

Persea americana, widely known as the avocado plant, is an evergreen tree (semi-deciduous in cooler climates) that is native to Central America. It is cultivated all over the world for its nutritious fruits. Avocado has become an important plant in many cuisines due to its high nutrient and fat content, creamy texture, and distinct taste.

Golden wonder tree is a deciduous tree with a height ranging from 2 to 15 m, fast-growing with a leafy canopy.