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12 Really Amazing Facts About Mesquite Trees

12 Facts About Mesquite Trees
Due to its drought-tolerant nature, mesquite trees are certainly apt for xeriscaping in dry, arid regions. Gardenerdy provides 12 facts about the mesquite tree.
Smita Pandit
Last Updated: Jul 28, 2017
Due to their invasive nature, mesquite trees are often referred to as Devil trees by ranchers from Texas, where this tree grows extensively. They are also blamed for absorbing water, thereby lowering the water table and causing other trees to wither away due to lack of water.
The mesquite tree is a deciduous tree that is native to arid and semi-arid regions of Mexico, Southwestern United States, South America, Africa, India, and the Middle East. It belongs to Prosopis genus, which comprises more than 40 species. Mesquite can either grow as a single or multiple-stemmed tree that might attain a height and spread of 20-30 feet over the years, or shrubs that are only 2-3 feet tall. While rangers may call them the devil trees, the tree was important to Native Americans. Calling it 'The Tree of Life', they used various parts of the tree.
Mesquite Tree Information
Type: Deciduous
Genus: Prosopis
Family: Leguminosae/Fabaceae
Common Species: Honey mesquite (Prosopis glandulosa), Screwbean mesquite (Prosopis pubescens), Velvet mesquite (Prosopis velutina), Mesquite (Prosopis juliflora), and Creeping mesquite (Prosopis strombulifera)
Habit: Single or multi-stemmed tree, shrubs
Leaf Type: Bipinnately compound leaves, with 12-20 leaflets per leaf
Bark: Reddish to dark brown
Thorns: Sharp, 2-3 inches long thorns present on branches or trunk
Flowering Season: Spring to autumn
Bloom: Clusters of yellowish blooms that attract bees
Beans: Present in pods that are 4-9 inches long
Light Requirements: Full sun, as well as partial shade
Soil: Prefers well-drained soil
Propagation: By seeds
USDA Hardiness Zones: 6b to 9 for Honey mesquite; 9-11 for Chilean mesquite (Prosopis chilensis) and Argentine mesquite (Prosopis alba)
Facts About Mesquite Tree
Being a drought-tolerant tree, mesquite grows in arid and semi-arid regions where many trees are unable to grow. One of the main uses of mesquite tree is that it provides shade to wildlife and its fruit serves as a source of food for birds, animals, as well as humans. Here are some interesting facts about this tree:
✦ There is a 32 feet tall mesquite tree in Bahrain that is believed to be 400 years old. Known as the 'Tree of Life', the tree attracts tourists from all over the world.
Mesquite tree
Mesquite 'Tree of Life' in Bahrain
✦ The biggest mesquite tree in Texas is about 56 feet in height, with a crown of 87 feet, and circumference of trunk being 6 feet.
✦ One of the major uses of this tree is that it is a nitrogen-fixing tree, which means that it restores nitrogen in the soil. The improved fertility is the reason why some grasses grow very well under these trees.
✦ Nectar from mesquite tree is also known to yield a good-quality honey.
✦ The wood is still used for making carvings, panels, furniture, and parquet floors. Its brown and gold color and swirling grain makes it the perfect type of wood for making furniture with a rustic appeal. Its bark is used for roofing in some regions.
Mesquite tree blossoms
Mesquite Tree Blossoms
✦ Being a tree that survives well in arid regions, mesquite is a good option for xeriscaped gardens. Its seeds and blooms will attract bees, while the tree can be a nesting site for birds.
✦ Various parts of the tree were used by the Native Americans. The tree bears thorns that are about 3 inches long, which were used by the Native Americans to make needles. The inner bark was used for making fabrics, while its wood was used for making bows and arrows for hunting.
✦ Native Americans used the bean pods of this tree for food. The pods were ground to make flour, which in turn was used for making dishes. The pods were also used for making a therapeutic tea.
Cluster of mesquite pods
Cluster of Mesquite Pods
✦ The tree's wood is a good firewood choice as it burns very slowly. It was, and still is, used as a building material due to its durability.
✦ Mesquites were used by Native Americans for treating certain ailments. They were aware of the therapeutic nature of the tree's root, bark, leaves, and gum. They used a herbal infusion made from the root or bark to treat diarrhea.
✦ They also mixed the gum in water to make a herbal infusion, which was used for treating eye infections. Mesquite gum was also used for treating sore throat and gastrointestinal problems.
✦ They crushed mesquite leaves and mixed them with water. This was used as a remedy for headaches.
Mesquite Tree Adaptations
Mesquite trees have adapted very well to the arid environment. Here are the characteristics that help them survive in the harsh desert environment.

✦ The same species might grow into shrubs that might be 2 or 3 feet in height in dry or windy regions, while it might grow into a tree that is more than 30 feet tall in areas where the weather is more suitable.

✦ In flat grasslands of the tropical and sub-tropical regions, these trees provide shade for the cattle and wildlife. Some grasses might grow well under the tree's canopy.

✦ The tree's huge taproot enables it to absorb water from water sources that lie very deep.

✦ Its lateral roots might spread out up to 50 feet in all directions, and compete with grasses for water, absorbing water from the subsoil layers.

✦ The tree can easily switch from utilizing one water source to another.

✦ Mesquite taproots can extend as much as 200 feet below the surface and the surface roots may extend 50 feet or more past the outer edge of the crown.

✦ About 5-20 seeds are enclosed in a pod, and the seeds can lie dormant for several years.
Mesquite legume
Mesquite Legume
✦ The presence of sharp, pointy horns on the branches protects the tree from herbivores.

✦ Since the leaves are small and coated by wax, the loss of water into the atmosphere through evaporation is minimized.

✦ In case of a severe drought, the leaves shed so as to reduce the loss of water.

✦ Clusters of yellow blossoms of mesquite tree attract varied types of insects such as ladybugs or butterflies. It also attracts pollinators such as bees.
Bug on mesquite blossom
Ladybug on Mesquite Blossom
While different parts of the mesquite tree have varied uses, mesquite tree is unpopular due to its invasive nature. Its invasive nature is apparent from the fact that it can grow even from a piece of root left in the soil. The bud regeneration zone of mesquite can extend to 6 inches below the ground. In some regions, this tree is referred to as a 'noxious weed', which is why steps have been taken to control its growth. In some places, the plants are removed and the trees are burned to control its growth.